Home / 13,635.64-20,452.62-4,870.12

Finding the Fourth Proportional to 13,635.64, 20,452.62 and 4,870.12

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Solution

The fourth proportional to 13,635.64, 20,452.62 and 4,870.12 is: 7,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.64 : 20,452.62 = 4,870.12 : x
  2. Step 2: Convert to fraction form
    13,635.64/20,452.62 = 4,870.12/x
  3. Step 3: Cross multiply
    13,635.64x = 20,452.62 × 4,870.12
  4. Step 4: Simplify right side
    13,635.64x = 99,606,713.71
  5. Step 5: Solve for x
    x = 99,606,713.71/13,635.64
  6. Step 6: Final answer
    x = 7,304.88

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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.