Home / 10,380.82-15,497.30-10,016.32

Finding the Fourth Proportional to 10,380.82, 15,497.30 and 10,016.32

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Solution

The fourth proportional to 10,380.82, 15,497.30 and 10,016.32 is: 14,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.82 : 15,497.30 = 10,016.32 : x
  2. Step 2: Convert to fraction form
    10,380.82/15,497.30 = 10,016.32/x
  3. Step 3: Cross multiply
    10,380.82x = 15,497.30 × 10,016.32
  4. Step 4: Simplify right side
    10,380.82x = 155,225,915.94
  5. Step 5: Solve for x
    x = 155,225,915.94/10,380.82
  6. Step 6: Final answer
    x = 14,953.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.