Home / 25,158.83-37,737.86-6,438.71

Finding the Fourth Proportional to 25,158.83, 37,737.86 and 6,438.71

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Solution

The fourth proportional to 25,158.83, 37,737.86 and 6,438.71 is: 9,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.83 : 37,737.86 = 6,438.71 : x
  2. Step 2: Convert to fraction form
    25,158.83/37,737.86 = 6,438.71/x
  3. Step 3: Cross multiply
    25,158.83x = 37,737.86 × 6,438.71
  4. Step 4: Simplify right side
    25,158.83x = 242,982,915.68
  5. Step 5: Solve for x
    x = 242,982,915.68/25,158.83
  6. Step 6: Final answer
    x = 9,657.96

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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.