Home / 11,752.11-16,219.35-6,715.18

Finding the Fourth Proportional to 11,752.11, 16,219.35 and 6,715.18

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Solution

The fourth proportional to 11,752.11, 16,219.35 and 6,715.18 is: 9,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.11 : 16,219.35 = 6,715.18 : x
  2. Step 2: Convert to fraction form
    11,752.11/16,219.35 = 6,715.18/x
  3. Step 3: Cross multiply
    11,752.11x = 16,219.35 × 6,715.18
  4. Step 4: Simplify right side
    11,752.11x = 108,915,830.97
  5. Step 5: Solve for x
    x = 108,915,830.97/11,752.11
  6. Step 6: Final answer
    x = 9,267.77

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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.