Home / 10,013.31-13,818.76-6,650.33

Finding the Fourth Proportional to 10,013.31, 13,818.76 and 6,650.33

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Solution

The fourth proportional to 10,013.31, 13,818.76 and 6,650.33 is: 9,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.31 : 13,818.76 = 6,650.33 : x
  2. Step 2: Convert to fraction form
    10,013.31/13,818.76 = 6,650.33/x
  3. Step 3: Cross multiply
    10,013.31x = 13,818.76 × 6,650.33
  4. Step 4: Simplify right side
    10,013.31x = 91,899,314.19
  5. Step 5: Solve for x
    x = 91,899,314.19/10,013.31
  6. Step 6: Final answer
    x = 9,177.72

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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.