Home / 10,921.06-16,369.91-5,650.76

Finding the Fourth Proportional to 10,921.06, 16,369.91 and 5,650.76

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Solution

The fourth proportional to 10,921.06, 16,369.91 and 5,650.76 is: 8,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.06 : 16,369.91 = 5,650.76 : x
  2. Step 2: Convert to fraction form
    10,921.06/16,369.91 = 5,650.76/x
  3. Step 3: Cross multiply
    10,921.06x = 16,369.91 × 5,650.76
  4. Step 4: Simplify right side
    10,921.06x = 92,502,432.63
  5. Step 5: Solve for x
    x = 92,502,432.63/10,921.06
  6. Step 6: Final answer
    x = 8,470.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.