Home / 10,666.47-14,715.75-6,187.71

Finding the Fourth Proportional to 10,666.47, 14,715.75 and 6,187.71

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Solution

The fourth proportional to 10,666.47, 14,715.75 and 6,187.71 is: 8,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.47 : 14,715.75 = 6,187.71 : x
  2. Step 2: Convert to fraction form
    10,666.47/14,715.75 = 6,187.71/x
  3. Step 3: Cross multiply
    10,666.47x = 14,715.75 × 6,187.71
  4. Step 4: Simplify right side
    10,666.47x = 91,056,793.43
  5. Step 5: Solve for x
    x = 91,056,793.43/10,666.47
  6. Step 6: Final answer
    x = 8,536.73

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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.