Home / 8,942.51-12,337.80-5,165.17

Finding the Fourth Proportional to 8,942.51, 12,337.80 and 5,165.17

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Solution

The fourth proportional to 8,942.51, 12,337.80 and 5,165.17 is: 7,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.51 : 12,337.80 = 5,165.17 : x
  2. Step 2: Convert to fraction form
    8,942.51/12,337.80 = 5,165.17/x
  3. Step 3: Cross multiply
    8,942.51x = 12,337.80 × 5,165.17
  4. Step 4: Simplify right side
    8,942.51x = 63,726,834.43
  5. Step 5: Solve for x
    x = 63,726,834.43/8,942.51
  6. Step 6: Final answer
    x = 7,126.28

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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.