Home / 22,623.23-31,220.13-12,551.87

Finding the Fourth Proportional to 22,623.23, 31,220.13 and 12,551.87

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Solution

The fourth proportional to 22,623.23, 31,220.13 and 12,551.87 is: 17,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.23 : 31,220.13 = 12,551.87 : x
  2. Step 2: Convert to fraction form
    22,623.23/31,220.13 = 12,551.87/x
  3. Step 3: Cross multiply
    22,623.23x = 31,220.13 × 12,551.87
  4. Step 4: Simplify right side
    22,623.23x = 391,871,013.14
  5. Step 5: Solve for x
    x = 391,871,013.14/22,623.23
  6. Step 6: Final answer
    x = 17,321.62

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Double scale
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Similar ratio
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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.