Home / 10,983.39-15,156.29-6,201.86

Finding the Fourth Proportional to 10,983.39, 15,156.29 and 6,201.86

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Solution

The fourth proportional to 10,983.39, 15,156.29 and 6,201.86 is: 8,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.39 : 15,156.29 = 6,201.86 : x
  2. Step 2: Convert to fraction form
    10,983.39/15,156.29 = 6,201.86/x
  3. Step 3: Cross multiply
    10,983.39x = 15,156.29 × 6,201.86
  4. Step 4: Simplify right side
    10,983.39x = 93,997,081.91
  5. Step 5: Solve for x
    x = 93,997,081.91/10,983.39
  6. Step 6: Final answer
    x = 8,558.11

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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.