Home / 15,928.38-23,889.60-4,242.60

Finding the Fourth Proportional to 15,928.38, 23,889.60 and 4,242.60

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Solution

The fourth proportional to 15,928.38, 23,889.60 and 4,242.60 is: 6,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.38 : 23,889.60 = 4,242.60 : x
  2. Step 2: Convert to fraction form
    15,928.38/23,889.60 = 4,242.60/x
  3. Step 3: Cross multiply
    15,928.38x = 23,889.60 × 4,242.60
  4. Step 4: Simplify right side
    15,928.38x = 101,354,016.96
  5. Step 5: Solve for x
    x = 101,354,016.96/15,928.38
  6. Step 6: Final answer
    x = 6,363.11

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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.