Home / 10,426.64-15,641.40-3,503.12

Finding the Fourth Proportional to 10,426.64, 15,641.40 and 3,503.12

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Solution

The fourth proportional to 10,426.64, 15,641.40 and 3,503.12 is: 5,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.64 : 15,641.40 = 3,503.12 : x
  2. Step 2: Convert to fraction form
    10,426.64/15,641.40 = 3,503.12/x
  3. Step 3: Cross multiply
    10,426.64x = 15,641.40 × 3,503.12
  4. Step 4: Simplify right side
    10,426.64x = 54,793,701.17
  5. Step 5: Solve for x
    x = 54,793,701.17/10,426.64
  6. Step 6: Final answer
    x = 5,255.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.