Home / 19,708.68-29,575.98-9,314.76

Finding the Fourth Proportional to 19,708.68, 29,575.98 and 9,314.76

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Solution

The fourth proportional to 19,708.68, 29,575.98 and 9,314.76 is: 13,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.68 : 29,575.98 = 9,314.76 : x
  2. Step 2: Convert to fraction form
    19,708.68/29,575.98 = 9,314.76/x
  3. Step 3: Cross multiply
    19,708.68x = 29,575.98 × 9,314.76
  4. Step 4: Simplify right side
    19,708.68x = 275,493,155.46
  5. Step 5: Solve for x
    x = 275,493,155.46/19,708.68
  6. Step 6: Final answer
    x = 13,978.27

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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.