Home / 18,750.06-28,119.90-5,599.32

Finding the Fourth Proportional to 18,750.06, 28,119.90 and 5,599.32

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Solution

The fourth proportional to 18,750.06, 28,119.90 and 5,599.32 is: 8,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.06 : 28,119.90 = 5,599.32 : x
  2. Step 2: Convert to fraction form
    18,750.06/28,119.90 = 5,599.32/x
  3. Step 3: Cross multiply
    18,750.06x = 28,119.90 × 5,599.32
  4. Step 4: Simplify right side
    18,750.06x = 157,452,318.47
  5. Step 5: Solve for x
    x = 157,452,318.47/18,750.06
  6. Step 6: Final answer
    x = 8,397.43

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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.