Home / 12,444.12-17,142.84-10,454.76

Finding the Fourth Proportional to 12,444.12, 17,142.84 and 10,454.76

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Solution

The fourth proportional to 12,444.12, 17,142.84 and 10,454.76 is: 14,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.12 : 17,142.84 = 10,454.76 : x
  2. Step 2: Convert to fraction form
    12,444.12/17,142.84 = 10,454.76/x
  3. Step 3: Cross multiply
    12,444.12x = 17,142.84 × 10,454.76
  4. Step 4: Simplify right side
    12,444.12x = 179,224,277.92
  5. Step 5: Solve for x
    x = 179,224,277.92/12,444.12
  6. Step 6: Final answer
    x = 14,402.33

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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.