Home / 10,146.28-15,181.14-5,988.55

Finding the Fourth Proportional to 10,146.28, 15,181.14 and 5,988.55

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Solution

The fourth proportional to 10,146.28, 15,181.14 and 5,988.55 is: 8,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.28 : 15,181.14 = 5,988.55 : x
  2. Step 2: Convert to fraction form
    10,146.28/15,181.14 = 5,988.55/x
  3. Step 3: Cross multiply
    10,146.28x = 15,181.14 × 5,988.55
  4. Step 4: Simplify right side
    10,146.28x = 90,913,015.95
  5. Step 5: Solve for x
    x = 90,913,015.95/10,146.28
  6. Step 6: Final answer
    x = 8,960.23

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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.