Home / 15,743.79-23,620.95-6,385.86

Finding the Fourth Proportional to 15,743.79, 23,620.95 and 6,385.86

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Solution

The fourth proportional to 15,743.79, 23,620.95 and 6,385.86 is: 9,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.79 : 23,620.95 = 6,385.86 : x
  2. Step 2: Convert to fraction form
    15,743.79/23,620.95 = 6,385.86/x
  3. Step 3: Cross multiply
    15,743.79x = 23,620.95 × 6,385.86
  4. Step 4: Simplify right side
    15,743.79x = 150,840,079.77
  5. Step 5: Solve for x
    x = 150,840,079.77/15,743.79
  6. Step 6: Final answer
    x = 9,580.93

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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.