Home / 19,572.30-29,320.66-11,681.12

Finding the Fourth Proportional to 19,572.30, 29,320.66 and 11,681.12

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Solution

The fourth proportional to 19,572.30, 29,320.66 and 11,681.12 is: 17,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.30 : 29,320.66 = 11,681.12 : x
  2. Step 2: Convert to fraction form
    19,572.30/29,320.66 = 11,681.12/x
  3. Step 3: Cross multiply
    19,572.30x = 29,320.66 × 11,681.12
  4. Step 4: Simplify right side
    19,572.30x = 342,498,103.84
  5. Step 5: Solve for x
    x = 342,498,103.84/19,572.30
  6. Step 6: Final answer
    x = 17,499.12

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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.