Home / 14,217.40-21,334.20-5,458.60

Finding the Fourth Proportional to 14,217.40, 21,334.20 and 5,458.60

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Solution

The fourth proportional to 14,217.40, 21,334.20 and 5,458.60 is: 8,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.40 : 21,334.20 = 5,458.60 : x
  2. Step 2: Convert to fraction form
    14,217.40/21,334.20 = 5,458.60/x
  3. Step 3: Cross multiply
    14,217.40x = 21,334.20 × 5,458.60
  4. Step 4: Simplify right side
    14,217.40x = 116,454,864.12
  5. Step 5: Solve for x
    x = 116,454,864.12/14,217.40
  6. Step 6: Final answer
    x = 8,191.01

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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.