Home / 13,472.40-20,209.52-4,112.48

Finding the Fourth Proportional to 13,472.40, 20,209.52 and 4,112.48

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Solution

The fourth proportional to 13,472.40, 20,209.52 and 4,112.48 is: 6,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.40 : 20,209.52 = 4,112.48 : x
  2. Step 2: Convert to fraction form
    13,472.40/20,209.52 = 4,112.48/x
  3. Step 3: Cross multiply
    13,472.40x = 20,209.52 × 4,112.48
  4. Step 4: Simplify right side
    13,472.40x = 83,111,276.77
  5. Step 5: Solve for x
    x = 83,111,276.77/13,472.40
  6. Step 6: Final answer
    x = 6,169.00

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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.