Home / 10,502.08-15,753.12-9,860.56

Finding the Fourth Proportional to 10,502.08, 15,753.12 and 9,860.56

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Solution

The fourth proportional to 10,502.08, 15,753.12 and 9,860.56 is: 14,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.08 : 15,753.12 = 9,860.56 : x
  2. Step 2: Convert to fraction form
    10,502.08/15,753.12 = 9,860.56/x
  3. Step 3: Cross multiply
    10,502.08x = 15,753.12 × 9,860.56
  4. Step 4: Simplify right side
    10,502.08x = 155,334,584.95
  5. Step 5: Solve for x
    x = 155,334,584.95/10,502.08
  6. Step 6: Final answer
    x = 14,790.84

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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.