Home / 11,209.32-15,470.19-6,493.77

Finding the Fourth Proportional to 11,209.32, 15,470.19 and 6,493.77

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Solution

The fourth proportional to 11,209.32, 15,470.19 and 6,493.77 is: 8,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.32 : 15,470.19 = 6,493.77 : x
  2. Step 2: Convert to fraction form
    11,209.32/15,470.19 = 6,493.77/x
  3. Step 3: Cross multiply
    11,209.32x = 15,470.19 × 6,493.77
  4. Step 4: Simplify right side
    11,209.32x = 100,459,855.72
  5. Step 5: Solve for x
    x = 100,459,855.72/11,209.32
  6. Step 6: Final answer
    x = 8,962.17

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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.