Home / 13,947.54-20,931.12-6,552.24

Finding the Fourth Proportional to 13,947.54, 20,931.12 and 6,552.24

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Solution

The fourth proportional to 13,947.54, 20,931.12 and 6,552.24 is: 9,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.54 : 20,931.12 = 6,552.24 : x
  2. Step 2: Convert to fraction form
    13,947.54/20,931.12 = 6,552.24/x
  3. Step 3: Cross multiply
    13,947.54x = 20,931.12 × 6,552.24
  4. Step 4: Simplify right side
    13,947.54x = 137,145,721.71
  5. Step 5: Solve for x
    x = 137,145,721.71/13,947.54
  6. Step 6: Final answer
    x = 9,832.97

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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.