Home / 22,853.19-31,537.47-12,781.80

Finding the Fourth Proportional to 22,853.19, 31,537.47 and 12,781.80

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Solution

The fourth proportional to 22,853.19, 31,537.47 and 12,781.80 is: 17,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.19 : 31,537.47 = 12,781.80 : x
  2. Step 2: Convert to fraction form
    22,853.19/31,537.47 = 12,781.80/x
  3. Step 3: Cross multiply
    22,853.19x = 31,537.47 × 12,781.80
  4. Step 4: Simplify right side
    22,853.19x = 403,105,523.25
  5. Step 5: Solve for x
    x = 403,105,523.25/22,853.19
  6. Step 6: Final answer
    x = 17,638.92

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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.