Home / 15,095.38-20,825.91-11,125.98

Finding the Fourth Proportional to 15,095.38, 20,825.91 and 11,125.98

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Solution

The fourth proportional to 15,095.38, 20,825.91 and 11,125.98 is: 15,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.38 : 20,825.91 = 11,125.98 : x
  2. Step 2: Convert to fraction form
    15,095.38/20,825.91 = 11,125.98/x
  3. Step 3: Cross multiply
    15,095.38x = 20,825.91 × 11,125.98
  4. Step 4: Simplify right side
    15,095.38x = 231,708,658.14
  5. Step 5: Solve for x
    x = 231,708,658.14/15,095.38
  6. Step 6: Final answer
    x = 15,349.64

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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.