Home / 15,943.56-21,952.04-13,548.48

Finding the Fourth Proportional to 15,943.56, 21,952.04 and 13,548.48

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Solution

The fourth proportional to 15,943.56, 21,952.04 and 13,548.48 is: 18,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.56 : 21,952.04 = 13,548.48 : x
  2. Step 2: Convert to fraction form
    15,943.56/21,952.04 = 13,548.48/x
  3. Step 3: Cross multiply
    15,943.56x = 21,952.04 × 13,548.48
  4. Step 4: Simplify right side
    15,943.56x = 297,416,707.16
  5. Step 5: Solve for x
    x = 297,416,707.16/15,943.56
  6. Step 6: Final answer
    x = 18,654.35

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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.