Home / 15,784.92-23,685.66-6,431.85

Finding the Fourth Proportional to 15,784.92, 23,685.66 and 6,431.85

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Solution

The fourth proportional to 15,784.92, 23,685.66 and 6,431.85 is: 9,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.92 : 23,685.66 = 6,431.85 : x
  2. Step 2: Convert to fraction form
    15,784.92/23,685.66 = 6,431.85/x
  3. Step 3: Cross multiply
    15,784.92x = 23,685.66 × 6,431.85
  4. Step 4: Simplify right side
    15,784.92x = 152,342,612.27
  5. Step 5: Solve for x
    x = 152,342,612.27/15,784.92
  6. Step 6: Final answer
    x = 9,651.15

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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.