Home / 23,279.68-34,907.10-12,159.46

Finding the Fourth Proportional to 23,279.68, 34,907.10 and 12,159.46

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Solution

The fourth proportional to 23,279.68, 34,907.10 and 12,159.46 is: 18,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.68 : 34,907.10 = 12,159.46 : x
  2. Step 2: Convert to fraction form
    23,279.68/34,907.10 = 12,159.46/x
  3. Step 3: Cross multiply
    23,279.68x = 34,907.10 × 12,159.46
  4. Step 4: Simplify right side
    23,279.68x = 424,451,486.17
  5. Step 5: Solve for x
    x = 424,451,486.17/23,279.68
  6. Step 6: Final answer
    x = 18,232.70

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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.