Home / 10,147.06-15,219.17-3,483.45

Finding the Fourth Proportional to 10,147.06, 15,219.17 and 3,483.45

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Solution

The fourth proportional to 10,147.06, 15,219.17 and 3,483.45 is: 5,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.06 : 15,219.17 = 3,483.45 : x
  2. Step 2: Convert to fraction form
    10,147.06/15,219.17 = 3,483.45/x
  3. Step 3: Cross multiply
    10,147.06x = 15,219.17 × 3,483.45
  4. Step 4: Simplify right side
    10,147.06x = 53,015,217.74
  5. Step 5: Solve for x
    x = 53,015,217.74/10,147.06
  6. Step 6: Final answer
    x = 5,224.69

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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.