Home / 13,552.30-20,278.56-8,196.38

Finding the Fourth Proportional to 13,552.30, 20,278.56 and 8,196.38

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Solution

The fourth proportional to 13,552.30, 20,278.56 and 8,196.38 is: 12,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.30 : 20,278.56 = 8,196.38 : x
  2. Step 2: Convert to fraction form
    13,552.30/20,278.56 = 8,196.38/x
  3. Step 3: Cross multiply
    13,552.30x = 20,278.56 × 8,196.38
  4. Step 4: Simplify right side
    13,552.30x = 166,210,783.61
  5. Step 5: Solve for x
    x = 166,210,783.61/13,552.30
  6. Step 6: Final answer
    x = 12,264.40

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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.