Home / 18,691.18-25,793.67-10,307.50

Finding the Fourth Proportional to 18,691.18, 25,793.67 and 10,307.50

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Solution

The fourth proportional to 18,691.18, 25,793.67 and 10,307.50 is: 14,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.18 : 25,793.67 = 10,307.50 : x
  2. Step 2: Convert to fraction form
    18,691.18/25,793.67 = 10,307.50/x
  3. Step 3: Cross multiply
    18,691.18x = 25,793.67 × 10,307.50
  4. Step 4: Simplify right side
    18,691.18x = 265,868,253.53
  5. Step 5: Solve for x
    x = 265,868,253.53/18,691.18
  6. Step 6: Final answer
    x = 14,224.26

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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.