Home / 10,340.24-15,488.95-5,394.89

Finding the Fourth Proportional to 10,340.24, 15,488.95 and 5,394.89

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Solution

The fourth proportional to 10,340.24, 15,488.95 and 5,394.89 is: 8,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.24 : 15,488.95 = 5,394.89 : x
  2. Step 2: Convert to fraction form
    10,340.24/15,488.95 = 5,394.89/x
  3. Step 3: Cross multiply
    10,340.24x = 15,488.95 × 5,394.89
  4. Step 4: Simplify right side
    10,340.24x = 83,561,181.47
  5. Step 5: Solve for x
    x = 83,561,181.47/10,340.24
  6. Step 6: Final answer
    x = 8,081.16

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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.