Home / 19,786.38-29,665.53-9,250.59

Finding the Fourth Proportional to 19,786.38, 29,665.53 and 9,250.59

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Solution

The fourth proportional to 19,786.38, 29,665.53 and 9,250.59 is: 13,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.38 : 29,665.53 = 9,250.59 : x
  2. Step 2: Convert to fraction form
    19,786.38/29,665.53 = 9,250.59/x
  3. Step 3: Cross multiply
    19,786.38x = 29,665.53 × 9,250.59
  4. Step 4: Simplify right side
    19,786.38x = 274,423,655.16
  5. Step 5: Solve for x
    x = 274,423,655.16/19,786.38
  6. Step 6: Final answer
    x = 13,869.32

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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.