Home / 22,853.01-31,537.40-13,421.73

Finding the Fourth Proportional to 22,853.01, 31,537.40 and 13,421.73

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Solution

The fourth proportional to 22,853.01, 31,537.40 and 13,421.73 is: 18,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.01 : 31,537.40 = 13,421.73 : x
  2. Step 2: Convert to fraction form
    22,853.01/31,537.40 = 13,421.73/x
  3. Step 3: Cross multiply
    22,853.01x = 31,537.40 × 13,421.73
  4. Step 4: Simplify right side
    22,853.01x = 423,286,400.59
  5. Step 5: Solve for x
    x = 423,286,400.59/22,853.01
  6. Step 6: Final answer
    x = 18,522.13

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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.