Home / 15,342.20-21,185.52-14,554.88

Finding the Fourth Proportional to 15,342.20, 21,185.52 and 14,554.88

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Solution

The fourth proportional to 15,342.20, 21,185.52 and 14,554.88 is: 20,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.20 : 21,185.52 = 14,554.88 : x
  2. Step 2: Convert to fraction form
    15,342.20/21,185.52 = 14,554.88/x
  3. Step 3: Cross multiply
    15,342.20x = 21,185.52 × 14,554.88
  4. Step 4: Simplify right side
    15,342.20x = 308,352,701.34
  5. Step 5: Solve for x
    x = 308,352,701.34/15,342.20
  6. Step 6: Final answer
    x = 20,098.34

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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.