Home / 9,156.03-12,635.26-5,177.29

Finding the Fourth Proportional to 9,156.03, 12,635.26 and 5,177.29

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Solution

The fourth proportional to 9,156.03, 12,635.26 and 5,177.29 is: 7,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.03 : 12,635.26 = 5,177.29 : x
  2. Step 2: Convert to fraction form
    9,156.03/12,635.26 = 5,177.29/x
  3. Step 3: Cross multiply
    9,156.03x = 12,635.26 × 5,177.29
  4. Step 4: Simplify right side
    9,156.03x = 65,416,347.77
  5. Step 5: Solve for x
    x = 65,416,347.77/9,156.03
  6. Step 6: Final answer
    x = 7,144.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.