Home / 15,459.24-23,169.86-7,127.70

Finding the Fourth Proportional to 15,459.24, 23,169.86 and 7,127.70

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Solution

The fourth proportional to 15,459.24, 23,169.86 and 7,127.70 is: 10,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.24 : 23,169.86 = 7,127.70 : x
  2. Step 2: Convert to fraction form
    15,459.24/23,169.86 = 7,127.70/x
  3. Step 3: Cross multiply
    15,459.24x = 23,169.86 × 7,127.70
  4. Step 4: Simplify right side
    15,459.24x = 165,147,811.12
  5. Step 5: Solve for x
    x = 165,147,811.12/15,459.24
  6. Step 6: Final answer
    x = 10,682.79

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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.