Home / 22,575.70-31,152.09-12,503.87

Finding the Fourth Proportional to 22,575.70, 31,152.09 and 12,503.87

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Solution

The fourth proportional to 22,575.70, 31,152.09 and 12,503.87 is: 17,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.70 : 31,152.09 = 12,503.87 : x
  2. Step 2: Convert to fraction form
    22,575.70/31,152.09 = 12,503.87/x
  3. Step 3: Cross multiply
    22,575.70x = 31,152.09 × 12,503.87
  4. Step 4: Simplify right side
    22,575.70x = 389,521,683.59
  5. Step 5: Solve for x
    x = 389,521,683.59/22,575.70
  6. Step 6: Final answer
    x = 17,254.03

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Half scale
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Double scale
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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.