Home / 22,853.13-31,537.23-12,781.53

Finding the Fourth Proportional to 22,853.13, 31,537.23 and 12,781.53

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Solution

The fourth proportional to 22,853.13, 31,537.23 and 12,781.53 is: 17,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.13 : 31,537.23 = 12,781.53 : x
  2. Step 2: Convert to fraction form
    22,853.13/31,537.23 = 12,781.53/x
  3. Step 3: Cross multiply
    22,853.13x = 31,537.23 × 12,781.53
  4. Step 4: Simplify right side
    22,853.13x = 403,094,051.36
  5. Step 5: Solve for x
    x = 403,094,051.36/22,853.13
  6. Step 6: Final answer
    x = 17,638.46

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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.