Home / 19,972.08-29,958.12-9,443.16

Finding the Fourth Proportional to 19,972.08, 29,958.12 and 9,443.16

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Solution

The fourth proportional to 19,972.08, 29,958.12 and 9,443.16 is: 14,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.08 : 29,958.12 = 9,443.16 : x
  2. Step 2: Convert to fraction form
    19,972.08/29,958.12 = 9,443.16/x
  3. Step 3: Cross multiply
    19,972.08x = 29,958.12 × 9,443.16
  4. Step 4: Simplify right side
    19,972.08x = 282,899,320.46
  5. Step 5: Solve for x
    x = 282,899,320.46/19,972.08
  6. Step 6: Final answer
    x = 14,164.74

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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.