Home / 18,817.24-26,001.62-13,502.72

Finding the Fourth Proportional to 18,817.24, 26,001.62 and 13,502.72

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Solution

The fourth proportional to 18,817.24, 26,001.62 and 13,502.72 is: 18,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.24 : 26,001.62 = 13,502.72 : x
  2. Step 2: Convert to fraction form
    18,817.24/26,001.62 = 13,502.72/x
  3. Step 3: Cross multiply
    18,817.24x = 26,001.62 × 13,502.72
  4. Step 4: Simplify right side
    18,817.24x = 351,092,594.41
  5. Step 5: Solve for x
    x = 351,092,594.41/18,817.24
  6. Step 6: Final answer
    x = 18,658.03

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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.