Home / 20,868.93-31,251.46-14,599.59

Finding the Fourth Proportional to 20,868.93, 31,251.46 and 14,599.59

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Solution

The fourth proportional to 20,868.93, 31,251.46 and 14,599.59 is: 21,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868.93 : 31,251.46 = 14,599.59 : x
  2. Step 2: Convert to fraction form
    20,868.93/31,251.46 = 14,599.59/x
  3. Step 3: Cross multiply
    20,868.93x = 31,251.46 × 14,599.59
  4. Step 4: Simplify right side
    20,868.93x = 456,258,617.53
  5. Step 5: Solve for x
    x = 456,258,617.53/20,868.93
  6. Step 6: Final answer
    x = 21,863.06

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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.