Home / 12,519.50-17,275.21-7,482.65

Finding the Fourth Proportional to 12,519.50, 17,275.21 and 7,482.65

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Solution

The fourth proportional to 12,519.50, 17,275.21 and 7,482.65 is: 10,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.50 : 17,275.21 = 7,482.65 : x
  2. Step 2: Convert to fraction form
    12,519.50/17,275.21 = 7,482.65/x
  3. Step 3: Cross multiply
    12,519.50x = 17,275.21 × 7,482.65
  4. Step 4: Simplify right side
    12,519.50x = 129,264,245.02
  5. Step 5: Solve for x
    x = 129,264,245.02/12,519.50
  6. Step 6: Final answer
    x = 10,325.04

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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.