Home / 19,763.72-29,631.60-9,895.92

Finding the Fourth Proportional to 19,763.72, 29,631.60 and 9,895.92

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Solution

The fourth proportional to 19,763.72, 29,631.60 and 9,895.92 is: 14,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.72 : 29,631.60 = 9,895.92 : x
  2. Step 2: Convert to fraction form
    19,763.72/29,631.60 = 9,895.92/x
  3. Step 3: Cross multiply
    19,763.72x = 29,631.60 × 9,895.92
  4. Step 4: Simplify right side
    19,763.72x = 293,231,943.07
  5. Step 5: Solve for x
    x = 293,231,943.07/19,763.72
  6. Step 6: Final answer
    x = 14,836.88

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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.