Home / 10,909.19-16,357.83-3,888.11

Finding the Fourth Proportional to 10,909.19, 16,357.83 and 3,888.11

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Solution

The fourth proportional to 10,909.19, 16,357.83 and 3,888.11 is: 5,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.19 : 16,357.83 = 3,888.11 : x
  2. Step 2: Convert to fraction form
    10,909.19/16,357.83 = 3,888.11/x
  3. Step 3: Cross multiply
    10,909.19x = 16,357.83 × 3,888.11
  4. Step 4: Simplify right side
    10,909.19x = 63,600,960.61
  5. Step 5: Solve for x
    x = 63,600,960.61/10,909.19
  6. Step 6: Final answer
    x = 5,830.04

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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.