Home / 13,364.20-18,442.50-7,395.88

Finding the Fourth Proportional to 13,364.20, 18,442.50 and 7,395.88

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Solution

The fourth proportional to 13,364.20, 18,442.50 and 7,395.88 is: 10,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.20 : 18,442.50 = 7,395.88 : x
  2. Step 2: Convert to fraction form
    13,364.20/18,442.50 = 7,395.88/x
  3. Step 3: Cross multiply
    13,364.20x = 18,442.50 × 7,395.88
  4. Step 4: Simplify right side
    13,364.20x = 136,398,516.90
  5. Step 5: Solve for x
    x = 136,398,516.90/13,364.20
  6. Step 6: Final answer
    x = 10,206.26

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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.