Home / 13,568.14-20,355.30-5,248.18

Finding the Fourth Proportional to 13,568.14, 20,355.30 and 5,248.18

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Solution

The fourth proportional to 13,568.14, 20,355.30 and 5,248.18 is: 7,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.14 : 20,355.30 = 5,248.18 : x
  2. Step 2: Convert to fraction form
    13,568.14/20,355.30 = 5,248.18/x
  3. Step 3: Cross multiply
    13,568.14x = 20,355.30 × 5,248.18
  4. Step 4: Simplify right side
    13,568.14x = 106,828,278.35
  5. Step 5: Solve for x
    x = 106,828,278.35/13,568.14
  6. Step 6: Final answer
    x = 7,873.47

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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.