Home / 13,487.18-20,230.74-4,724.60

Finding the Fourth Proportional to 13,487.18, 20,230.74 and 4,724.60

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Solution

The fourth proportional to 13,487.18, 20,230.74 and 4,724.60 is: 7,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.18 : 20,230.74 = 4,724.60 : x
  2. Step 2: Convert to fraction form
    13,487.18/20,230.74 = 4,724.60/x
  3. Step 3: Cross multiply
    13,487.18x = 20,230.74 × 4,724.60
  4. Step 4: Simplify right side
    13,487.18x = 95,582,154.20
  5. Step 5: Solve for x
    x = 95,582,154.20/13,487.18
  6. Step 6: Final answer
    x = 7,086.89

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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.