Home / 13,963.04-20,959.49-5,648.50

Finding the Fourth Proportional to 13,963.04, 20,959.49 and 5,648.50

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Solution

The fourth proportional to 13,963.04, 20,959.49 and 5,648.50 is: 8,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.04 : 20,959.49 = 5,648.50 : x
  2. Step 2: Convert to fraction form
    13,963.04/20,959.49 = 5,648.50/x
  3. Step 3: Cross multiply
    13,963.04x = 20,959.49 × 5,648.50
  4. Step 4: Simplify right side
    13,963.04x = 118,389,569.92
  5. Step 5: Solve for x
    x = 118,389,569.92/13,963.04
  6. Step 6: Final answer
    x = 8,478.78

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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.