Home / 25,143.50-37,720.11-9,559.91

Finding the Fourth Proportional to 25,143.50, 37,720.11 and 9,559.91

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Solution

The fourth proportional to 25,143.50, 37,720.11 and 9,559.91 is: 14,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.50 : 37,720.11 = 9,559.91 : x
  2. Step 2: Convert to fraction form
    25,143.50/37,720.11 = 9,559.91/x
  3. Step 3: Cross multiply
    25,143.50x = 37,720.11 × 9,559.91
  4. Step 4: Simplify right side
    25,143.50x = 360,600,856.79
  5. Step 5: Solve for x
    x = 360,600,856.79/25,143.50
  6. Step 6: Final answer
    x = 14,341.71

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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.