Home / 9,018.85-13,528.28-3,753.76

Finding the Fourth Proportional to 9,018.85, 13,528.28 and 3,753.76

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Solution

The fourth proportional to 9,018.85, 13,528.28 and 3,753.76 is: 5,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.85 : 13,528.28 = 3,753.76 : x
  2. Step 2: Convert to fraction form
    9,018.85/13,528.28 = 3,753.76/x
  3. Step 3: Cross multiply
    9,018.85x = 13,528.28 × 3,753.76
  4. Step 4: Simplify right side
    9,018.85x = 50,781,916.33
  5. Step 5: Solve for x
    x = 50,781,916.33/9,018.85
  6. Step 6: Final answer
    x = 5,630.64

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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.