Home / 10,276.37-14,177.92-6,689.69

Finding the Fourth Proportional to 10,276.37, 14,177.92 and 6,689.69

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Solution

The fourth proportional to 10,276.37, 14,177.92 and 6,689.69 is: 9,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.37 : 14,177.92 = 6,689.69 : x
  2. Step 2: Convert to fraction form
    10,276.37/14,177.92 = 6,689.69/x
  3. Step 3: Cross multiply
    10,276.37x = 14,177.92 × 6,689.69
  4. Step 4: Simplify right side
    10,276.37x = 94,845,785.31
  5. Step 5: Solve for x
    x = 94,845,785.31/10,276.37
  6. Step 6: Final answer
    x = 9,229.51

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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.