Home / 17,312.56-23,884.94-13,280.11

Finding the Fourth Proportional to 17,312.56, 23,884.94 and 13,280.11

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Solution

The fourth proportional to 17,312.56, 23,884.94 and 13,280.11 is: 18,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.56 : 23,884.94 = 13,280.11 : x
  2. Step 2: Convert to fraction form
    17,312.56/23,884.94 = 13,280.11/x
  3. Step 3: Cross multiply
    17,312.56x = 23,884.94 × 13,280.11
  4. Step 4: Simplify right side
    17,312.56x = 317,194,604.03
  5. Step 5: Solve for x
    x = 317,194,604.03/17,312.56
  6. Step 6: Final answer
    x = 18,321.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.