Home / 15,185.62-22,778.58-5,325.14

Finding the Fourth Proportional to 15,185.62, 22,778.58 and 5,325.14

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Solution

The fourth proportional to 15,185.62, 22,778.58 and 5,325.14 is: 7,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.62 : 22,778.58 = 5,325.14 : x
  2. Step 2: Convert to fraction form
    15,185.62/22,778.58 = 5,325.14/x
  3. Step 3: Cross multiply
    15,185.62x = 22,778.58 × 5,325.14
  4. Step 4: Simplify right side
    15,185.62x = 121,299,013.61
  5. Step 5: Solve for x
    x = 121,299,013.61/15,185.62
  6. Step 6: Final answer
    x = 7,987.76

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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.