Home / 23,389.36-32,279.11-13,318.22

Finding the Fourth Proportional to 23,389.36, 32,279.11 and 13,318.22

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Solution

The fourth proportional to 23,389.36, 32,279.11 and 13,318.22 is: 18,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.36 : 32,279.11 = 13,318.22 : x
  2. Step 2: Convert to fraction form
    23,389.36/32,279.11 = 13,318.22/x
  3. Step 3: Cross multiply
    23,389.36x = 32,279.11 × 13,318.22
  4. Step 4: Simplify right side
    23,389.36x = 429,900,335.79
  5. Step 5: Solve for x
    x = 429,900,335.79/23,389.36
  6. Step 6: Final answer
    x = 18,380.17

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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.