Home / 11,948.86-16,489.85-6,571.52

Finding the Fourth Proportional to 11,948.86, 16,489.85 and 6,571.52

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Solution

The fourth proportional to 11,948.86, 16,489.85 and 6,571.52 is: 9,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.86 : 16,489.85 = 6,571.52 : x
  2. Step 2: Convert to fraction form
    11,948.86/16,489.85 = 6,571.52/x
  3. Step 3: Cross multiply
    11,948.86x = 16,489.85 × 6,571.52
  4. Step 4: Simplify right side
    11,948.86x = 108,363,325.60
  5. Step 5: Solve for x
    x = 108,363,325.60/11,948.86
  6. Step 6: Final answer
    x = 9,068.92

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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.