Home / 22,853.24-31,534.32-12,781.16

Finding the Fourth Proportional to 22,853.24, 31,534.32 and 12,781.16

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Solution

The fourth proportional to 22,853.24, 31,534.32 and 12,781.16 is: 17,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.24 : 31,534.32 = 12,781.16 : x
  2. Step 2: Convert to fraction form
    22,853.24/31,534.32 = 12,781.16/x
  3. Step 3: Cross multiply
    22,853.24x = 31,534.32 × 12,781.16
  4. Step 4: Simplify right side
    22,853.24x = 403,045,189.41
  5. Step 5: Solve for x
    x = 403,045,189.41/22,853.24
  6. Step 6: Final answer
    x = 17,636.24

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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.