Home / 10,456.08-14,419.62-8,338.65

Finding the Fourth Proportional to 10,456.08, 14,419.62 and 8,338.65

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Solution

The fourth proportional to 10,456.08, 14,419.62 and 8,338.65 is: 11,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.08 : 14,419.62 = 8,338.65 : x
  2. Step 2: Convert to fraction form
    10,456.08/14,419.62 = 8,338.65/x
  3. Step 3: Cross multiply
    10,456.08x = 14,419.62 × 8,338.65
  4. Step 4: Simplify right side
    10,456.08x = 120,240,164.31
  5. Step 5: Solve for x
    x = 120,240,164.31/10,456.08
  6. Step 6: Final answer
    x = 11,499.55

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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.