Home / 15,279.62-22,920.17-4,756.82

Finding the Fourth Proportional to 15,279.62, 22,920.17 and 4,756.82

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Solution

The fourth proportional to 15,279.62, 22,920.17 and 4,756.82 is: 7,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.62 : 22,920.17 = 4,756.82 : x
  2. Step 2: Convert to fraction form
    15,279.62/22,920.17 = 4,756.82/x
  3. Step 3: Cross multiply
    15,279.62x = 22,920.17 × 4,756.82
  4. Step 4: Simplify right side
    15,279.62x = 109,026,984.67
  5. Step 5: Solve for x
    x = 109,026,984.67/15,279.62
  6. Step 6: Final answer
    x = 7,135.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.