Home / 14,560.75-21,841.13-4,172.50

Finding the Fourth Proportional to 14,560.75, 21,841.13 and 4,172.50

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Solution

The fourth proportional to 14,560.75, 21,841.13 and 4,172.50 is: 6,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.75 : 21,841.13 = 4,172.50 : x
  2. Step 2: Convert to fraction form
    14,560.75/21,841.13 = 4,172.50/x
  3. Step 3: Cross multiply
    14,560.75x = 21,841.13 × 4,172.50
  4. Step 4: Simplify right side
    14,560.75x = 91,132,114.93
  5. Step 5: Solve for x
    x = 91,132,114.93/14,560.75
  6. Step 6: Final answer
    x = 6,258.75

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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.