Home / 10,117.17-15,165.90-4,571.91

Finding the Fourth Proportional to 10,117.17, 15,165.90 and 4,571.91

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Solution

The fourth proportional to 10,117.17, 15,165.90 and 4,571.91 is: 6,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.17 : 15,165.90 = 4,571.91 : x
  2. Step 2: Convert to fraction form
    10,117.17/15,165.90 = 4,571.91/x
  3. Step 3: Cross multiply
    10,117.17x = 15,165.90 × 4,571.91
  4. Step 4: Simplify right side
    10,117.17x = 69,337,129.87
  5. Step 5: Solve for x
    x = 69,337,129.87/10,117.17
  6. Step 6: Final answer
    x = 6,853.41

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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.