Home / 10,253.60-15,378.24-3,680.16

Finding the Fourth Proportional to 10,253.60, 15,378.24 and 3,680.16

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Solution

The fourth proportional to 10,253.60, 15,378.24 and 3,680.16 is: 5,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.60 : 15,378.24 = 3,680.16 : x
  2. Step 2: Convert to fraction form
    10,253.60/15,378.24 = 3,680.16/x
  3. Step 3: Cross multiply
    10,253.60x = 15,378.24 × 3,680.16
  4. Step 4: Simplify right side
    10,253.60x = 56,594,383.72
  5. Step 5: Solve for x
    x = 56,594,383.72/10,253.60
  6. Step 6: Final answer
    x = 5,519.46

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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.