Home / 15,694.47-21,659.36-10,380.06

Finding the Fourth Proportional to 15,694.47, 21,659.36 and 10,380.06

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Solution

The fourth proportional to 15,694.47, 21,659.36 and 10,380.06 is: 14,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.47 : 21,659.36 = 10,380.06 : x
  2. Step 2: Convert to fraction form
    15,694.47/21,659.36 = 10,380.06/x
  3. Step 3: Cross multiply
    15,694.47x = 21,659.36 × 10,380.06
  4. Step 4: Simplify right side
    15,694.47x = 224,825,404.46
  5. Step 5: Solve for x
    x = 224,825,404.46/15,694.47
  6. Step 6: Final answer
    x = 14,325.14

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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.