Home / 12,507.59-18,754.45-5,117.24

Finding the Fourth Proportional to 12,507.59, 18,754.45 and 5,117.24

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Solution

The fourth proportional to 12,507.59, 18,754.45 and 5,117.24 is: 7,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.59 : 18,754.45 = 5,117.24 : x
  2. Step 2: Convert to fraction form
    12,507.59/18,754.45 = 5,117.24/x
  3. Step 3: Cross multiply
    12,507.59x = 18,754.45 × 5,117.24
  4. Step 4: Simplify right side
    12,507.59x = 95,971,021.72
  5. Step 5: Solve for x
    x = 95,971,021.72/12,507.59
  6. Step 6: Final answer
    x = 7,673.02

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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.