Home / 9,146.34-12,620.84-5,167.26

Finding the Fourth Proportional to 9,146.34, 12,620.84 and 5,167.26

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Solution

The fourth proportional to 9,146.34, 12,620.84 and 5,167.26 is: 7,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.34 : 12,620.84 = 5,167.26 : x
  2. Step 2: Convert to fraction form
    9,146.34/12,620.84 = 5,167.26/x
  3. Step 3: Cross multiply
    9,146.34x = 12,620.84 × 5,167.26
  4. Step 4: Simplify right side
    9,146.34x = 65,215,135.86
  5. Step 5: Solve for x
    x = 65,215,135.86/9,146.34
  6. Step 6: Final answer
    x = 7,130.19

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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.