Home / 12,519.65-17,275.95-7,482.87

Finding the Fourth Proportional to 12,519.65, 17,275.95 and 7,482.87

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Solution

The fourth proportional to 12,519.65, 17,275.95 and 7,482.87 is: 10,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.65 : 17,275.95 = 7,482.87 : x
  2. Step 2: Convert to fraction form
    12,519.65/17,275.95 = 7,482.87/x
  3. Step 3: Cross multiply
    12,519.65x = 17,275.95 × 7,482.87
  4. Step 4: Simplify right side
    12,519.65x = 129,273,687.98
  5. Step 5: Solve for x
    x = 129,273,687.98/12,519.65
  6. Step 6: Final answer
    x = 10,325.66

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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.