Home / 13,193.32-18,206.80-7,224.98

Finding the Fourth Proportional to 13,193.32, 18,206.80 and 7,224.98

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Solution

The fourth proportional to 13,193.32, 18,206.80 and 7,224.98 is: 9,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.32 : 18,206.80 = 7,224.98 : x
  2. Step 2: Convert to fraction form
    13,193.32/18,206.80 = 7,224.98/x
  3. Step 3: Cross multiply
    13,193.32x = 18,206.80 × 7,224.98
  4. Step 4: Simplify right side
    13,193.32x = 131,543,765.86
  5. Step 5: Solve for x
    x = 131,543,765.86/13,193.32
  6. Step 6: Final answer
    x = 9,970.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.