Home / 15,969.78-23,951.90-4,280.26

Finding the Fourth Proportional to 15,969.78, 23,951.90 and 4,280.26

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Solution

The fourth proportional to 15,969.78, 23,951.90 and 4,280.26 is: 6,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.78 : 23,951.90 = 4,280.26 : x
  2. Step 2: Convert to fraction form
    15,969.78/23,951.90 = 4,280.26/x
  3. Step 3: Cross multiply
    15,969.78x = 23,951.90 × 4,280.26
  4. Step 4: Simplify right side
    15,969.78x = 102,520,359.49
  5. Step 5: Solve for x
    x = 102,520,359.49/15,969.78
  6. Step 6: Final answer
    x = 6,419.65

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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.