Home / 18,690.67-25,793.04-10,307.17

Finding the Fourth Proportional to 18,690.67, 25,793.04 and 10,307.17

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Solution

The fourth proportional to 18,690.67, 25,793.04 and 10,307.17 is: 14,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.67 : 25,793.04 = 10,307.17 : x
  2. Step 2: Convert to fraction form
    18,690.67/25,793.04 = 10,307.17/x
  3. Step 3: Cross multiply
    18,690.67x = 25,793.04 × 10,307.17
  4. Step 4: Simplify right side
    18,690.67x = 265,853,248.10
  5. Step 5: Solve for x
    x = 265,853,248.10/18,690.67
  6. Step 6: Final answer
    x = 14,223.85

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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.