Home / 12,472.04-17,211.40-7,995.79

Finding the Fourth Proportional to 12,472.04, 17,211.40 and 7,995.79

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Solution

The fourth proportional to 12,472.04, 17,211.40 and 7,995.79 is: 11,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.04 : 17,211.40 = 7,995.79 : x
  2. Step 2: Convert to fraction form
    12,472.04/17,211.40 = 7,995.79/x
  3. Step 3: Cross multiply
    12,472.04x = 17,211.40 × 7,995.79
  4. Step 4: Simplify right side
    12,472.04x = 137,618,740.01
  5. Step 5: Solve for x
    x = 137,618,740.01/12,472.04
  6. Step 6: Final answer
    x = 11,034.18

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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.