Home / 15,397.88-23,087.61-7,484.85

Finding the Fourth Proportional to 15,397.88, 23,087.61 and 7,484.85

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Solution

The fourth proportional to 15,397.88, 23,087.61 and 7,484.85 is: 11,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.88 : 23,087.61 = 7,484.85 : x
  2. Step 2: Convert to fraction form
    15,397.88/23,087.61 = 7,484.85/x
  3. Step 3: Cross multiply
    15,397.88x = 23,087.61 × 7,484.85
  4. Step 4: Simplify right side
    15,397.88x = 172,807,297.71
  5. Step 5: Solve for x
    x = 172,807,297.71/15,397.88
  6. Step 6: Final answer
    x = 11,222.80

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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.