Home / 13,071.52-18,047.16-10,687.24

Finding the Fourth Proportional to 13,071.52, 18,047.16 and 10,687.24

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Solution

The fourth proportional to 13,071.52, 18,047.16 and 10,687.24 is: 14,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.52 : 18,047.16 = 10,687.24 : x
  2. Step 2: Convert to fraction form
    13,071.52/18,047.16 = 10,687.24/x
  3. Step 3: Cross multiply
    13,071.52x = 18,047.16 × 10,687.24
  4. Step 4: Simplify right side
    13,071.52x = 192,874,330.24
  5. Step 5: Solve for x
    x = 192,874,330.24/13,071.52
  6. Step 6: Final answer
    x = 14,755.31

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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.