Home / 9,171.03-12,656.22-5,192.15

Finding the Fourth Proportional to 9,171.03, 12,656.22 and 5,192.15

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Solution

The fourth proportional to 9,171.03, 12,656.22 and 5,192.15 is: 7,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.03 : 12,656.22 = 5,192.15 : x
  2. Step 2: Convert to fraction form
    9,171.03/12,656.22 = 5,192.15/x
  3. Step 3: Cross multiply
    9,171.03x = 12,656.22 × 5,192.15
  4. Step 4: Simplify right side
    9,171.03x = 65,712,929.39
  5. Step 5: Solve for x
    x = 65,712,929.39/9,171.03
  6. Step 6: Final answer
    x = 7,165.27

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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.