Home / 20,184.38-30,280.56-7,037.18

Finding the Fourth Proportional to 20,184.38, 30,280.56 and 7,037.18

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Solution

The fourth proportional to 20,184.38, 30,280.56 and 7,037.18 is: 10,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.38 : 30,280.56 = 7,037.18 : x
  2. Step 2: Convert to fraction form
    20,184.38/30,280.56 = 7,037.18/x
  3. Step 3: Cross multiply
    20,184.38x = 30,280.56 × 7,037.18
  4. Step 4: Simplify right side
    20,184.38x = 213,089,751.22
  5. Step 5: Solve for x
    x = 213,089,751.22/20,184.38
  6. Step 6: Final answer
    x = 10,557.16

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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.