Home / 22,737.96-31,379.36-12,666.42

Finding the Fourth Proportional to 22,737.96, 31,379.36 and 12,666.42

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Solution

The fourth proportional to 22,737.96, 31,379.36 and 12,666.42 is: 17,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.96 : 31,379.36 = 12,666.42 : x
  2. Step 2: Convert to fraction form
    22,737.96/31,379.36 = 12,666.42/x
  3. Step 3: Cross multiply
    22,737.96x = 31,379.36 × 12,666.42
  4. Step 4: Simplify right side
    22,737.96x = 397,464,089.76
  5. Step 5: Solve for x
    x = 397,464,089.76/22,737.96
  6. Step 6: Final answer
    x = 17,480.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.