Home / 19,897.72-29,807.46-11,560.24

Finding the Fourth Proportional to 19,897.72, 29,807.46 and 11,560.24

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Solution

The fourth proportional to 19,897.72, 29,807.46 and 11,560.24 is: 17,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.72 : 29,807.46 = 11,560.24 : x
  2. Step 2: Convert to fraction form
    19,897.72/29,807.46 = 11,560.24/x
  3. Step 3: Cross multiply
    19,897.72x = 29,807.46 × 11,560.24
  4. Step 4: Simplify right side
    19,897.72x = 344,581,260.98
  5. Step 5: Solve for x
    x = 344,581,260.98/19,897.72
  6. Step 6: Final answer
    x = 17,317.63

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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.