Home / 15,397.39-23,104.74-8,377.91

Finding the Fourth Proportional to 15,397.39, 23,104.74 and 8,377.91

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Solution

The fourth proportional to 15,397.39, 23,104.74 and 8,377.91 is: 12,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.39 : 23,104.74 = 8,377.91 : x
  2. Step 2: Convert to fraction form
    15,397.39/23,104.74 = 8,377.91/x
  3. Step 3: Cross multiply
    15,397.39x = 23,104.74 × 8,377.91
  4. Step 4: Simplify right side
    15,397.39x = 193,569,316.77
  5. Step 5: Solve for x
    x = 193,569,316.77/15,397.39
  6. Step 6: Final answer
    x = 12,571.57

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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.