Home / 8,664.17-11,953.78-5,126.69

Finding the Fourth Proportional to 8,664.17, 11,953.78 and 5,126.69

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Solution

The fourth proportional to 8,664.17, 11,953.78 and 5,126.69 is: 7,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.17 : 11,953.78 = 5,126.69 : x
  2. Step 2: Convert to fraction form
    8,664.17/11,953.78 = 5,126.69/x
  3. Step 3: Cross multiply
    8,664.17x = 11,953.78 × 5,126.69
  4. Step 4: Simplify right side
    8,664.17x = 61,283,341.46
  5. Step 5: Solve for x
    x = 61,283,341.46/8,664.17
  6. Step 6: Final answer
    x = 7,073.20

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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.