Home / 12,524.55-17,282.70-7,487.79

Finding the Fourth Proportional to 12,524.55, 17,282.70 and 7,487.79

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Solution

The fourth proportional to 12,524.55, 17,282.70 and 7,487.79 is: 10,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.55 : 17,282.70 = 7,487.79 : x
  2. Step 2: Convert to fraction form
    12,524.55/17,282.70 = 7,487.79/x
  3. Step 3: Cross multiply
    12,524.55x = 17,282.70 × 7,487.79
  4. Step 4: Simplify right side
    12,524.55x = 129,409,228.23
  5. Step 5: Solve for x
    x = 129,409,228.23/12,524.55
  6. Step 6: Final answer
    x = 10,332.45

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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.