Home / 10,378.08-15,569.61-2,982.39

Finding the Fourth Proportional to 10,378.08, 15,569.61 and 2,982.39

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Solution

The fourth proportional to 10,378.08, 15,569.61 and 2,982.39 is: 4,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.08 : 15,569.61 = 2,982.39 : x
  2. Step 2: Convert to fraction form
    10,378.08/15,569.61 = 2,982.39/x
  3. Step 3: Cross multiply
    10,378.08x = 15,569.61 × 2,982.39
  4. Step 4: Simplify right side
    10,378.08x = 46,434,649.17
  5. Step 5: Solve for x
    x = 46,434,649.17/10,378.08
  6. Step 6: Final answer
    x = 4,474.30

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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.