Home / 13,948.74-21,005.60-10,080.18

Finding the Fourth Proportional to 13,948.74, 21,005.60 and 10,080.18

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Solution

The fourth proportional to 13,948.74, 21,005.60 and 10,080.18 is: 15,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.74 : 21,005.60 = 10,080.18 : x
  2. Step 2: Convert to fraction form
    13,948.74/21,005.60 = 10,080.18/x
  3. Step 3: Cross multiply
    13,948.74x = 21,005.60 × 10,080.18
  4. Step 4: Simplify right side
    13,948.74x = 211,740,178.61
  5. Step 5: Solve for x
    x = 211,740,178.61/13,948.74
  6. Step 6: Final answer
    x = 15,179.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.