Home / 10,664.39-14,713.90-6,887.71

Finding the Fourth Proportional to 10,664.39, 14,713.90 and 6,887.71

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Solution

The fourth proportional to 10,664.39, 14,713.90 and 6,887.71 is: 9,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.39 : 14,713.90 = 6,887.71 : x
  2. Step 2: Convert to fraction form
    10,664.39/14,713.90 = 6,887.71/x
  3. Step 3: Cross multiply
    10,664.39x = 14,713.90 × 6,887.71
  4. Step 4: Simplify right side
    10,664.39x = 101,345,076.17
  5. Step 5: Solve for x
    x = 101,345,076.17/10,664.39
  6. Step 6: Final answer
    x = 9,503.13

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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.