Home / 13,279.26-18,325.02-7,614.96

Finding the Fourth Proportional to 13,279.26, 18,325.02 and 7,614.96

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Solution

The fourth proportional to 13,279.26, 18,325.02 and 7,614.96 is: 10,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.26 : 18,325.02 = 7,614.96 : x
  2. Step 2: Convert to fraction form
    13,279.26/18,325.02 = 7,614.96/x
  3. Step 3: Cross multiply
    13,279.26x = 18,325.02 × 7,614.96
  4. Step 4: Simplify right side
    13,279.26x = 139,544,294.30
  5. Step 5: Solve for x
    x = 139,544,294.30/13,279.26
  6. Step 6: Final answer
    x = 10,508.44

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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.