Home / 11,219.36-15,482.51-6,114.92

Finding the Fourth Proportional to 11,219.36, 15,482.51 and 6,114.92

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Solution

The fourth proportional to 11,219.36, 15,482.51 and 6,114.92 is: 8,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.36 : 15,482.51 = 6,114.92 : x
  2. Step 2: Convert to fraction form
    11,219.36/15,482.51 = 6,114.92/x
  3. Step 3: Cross multiply
    11,219.36x = 15,482.51 × 6,114.92
  4. Step 4: Simplify right side
    11,219.36x = 94,674,202.06
  5. Step 5: Solve for x
    x = 94,674,202.06/11,219.36
  6. Step 6: Final answer
    x = 8,438.47

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Half scale
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Double scale
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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.