Home / 10,425.64-15,639.90-3,502.12

Finding the Fourth Proportional to 10,425.64, 15,639.90 and 3,502.12

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Solution

The fourth proportional to 10,425.64, 15,639.90 and 3,502.12 is: 5,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.64 : 15,639.90 = 3,502.12 : x
  2. Step 2: Convert to fraction form
    10,425.64/15,639.90 = 3,502.12/x
  3. Step 3: Cross multiply
    10,425.64x = 15,639.90 × 3,502.12
  4. Step 4: Simplify right side
    10,425.64x = 54,772,806.59
  5. Step 5: Solve for x
    x = 54,772,806.59/10,425.64
  6. Step 6: Final answer
    x = 5,253.66

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1.5x scale

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.