Home / 22,489.32-31,035.84-12,417.87

Finding the Fourth Proportional to 22,489.32, 31,035.84 and 12,417.87

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Solution

The fourth proportional to 22,489.32, 31,035.84 and 12,417.87 is: 17,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.32 : 31,035.84 = 12,417.87 : x
  2. Step 2: Convert to fraction form
    22,489.32/31,035.84 = 12,417.87/x
  3. Step 3: Cross multiply
    22,489.32x = 31,035.84 × 12,417.87
  4. Step 4: Simplify right side
    22,489.32x = 385,399,026.46
  5. Step 5: Solve for x
    x = 385,399,026.46/22,489.32
  6. Step 6: Final answer
    x = 17,136.98

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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.