Home / 15,444.94-21,314.12-8,371.48

Finding the Fourth Proportional to 15,444.94, 21,314.12 and 8,371.48

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Solution

The fourth proportional to 15,444.94, 21,314.12 and 8,371.48 is: 11,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.94 : 21,314.12 = 8,371.48 : x
  2. Step 2: Convert to fraction form
    15,444.94/21,314.12 = 8,371.48/x
  3. Step 3: Cross multiply
    15,444.94x = 21,314.12 × 8,371.48
  4. Step 4: Simplify right side
    15,444.94x = 178,430,729.30
  5. Step 5: Solve for x
    x = 178,430,729.30/15,444.94
  6. Step 6: Final answer
    x = 11,552.70

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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.