Home / 9,156.24-12,636.77-5,177.26

Finding the Fourth Proportional to 9,156.24, 12,636.77 and 5,177.26

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Solution

The fourth proportional to 9,156.24, 12,636.77 and 5,177.26 is: 7,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.24 : 12,636.77 = 5,177.26 : x
  2. Step 2: Convert to fraction form
    9,156.24/12,636.77 = 5,177.26/x
  3. Step 3: Cross multiply
    9,156.24x = 12,636.77 × 5,177.26
  4. Step 4: Simplify right side
    9,156.24x = 65,423,817.96
  5. Step 5: Solve for x
    x = 65,423,817.96/9,156.24
  6. Step 6: Final answer
    x = 7,145.28

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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.