Home / 13,552.11-20,312.57-5,228.45

Finding the Fourth Proportional to 13,552.11, 20,312.57 and 5,228.45

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Solution

The fourth proportional to 13,552.11, 20,312.57 and 5,228.45 is: 7,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.11 : 20,312.57 = 5,228.45 : x
  2. Step 2: Convert to fraction form
    13,552.11/20,312.57 = 5,228.45/x
  3. Step 3: Cross multiply
    13,552.11x = 20,312.57 × 5,228.45
  4. Step 4: Simplify right side
    13,552.11x = 106,203,244.30
  5. Step 5: Solve for x
    x = 106,203,244.30/13,552.11
  6. Step 6: Final answer
    x = 7,836.66

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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.