Home / 15,938.16-21,994.66-8,864.43

Finding the Fourth Proportional to 15,938.16, 21,994.66 and 8,864.43

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Solution

The fourth proportional to 15,938.16, 21,994.66 and 8,864.43 is: 12,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.16 : 21,994.66 = 8,864.43 : x
  2. Step 2: Convert to fraction form
    15,938.16/21,994.66 = 8,864.43/x
  3. Step 3: Cross multiply
    15,938.16x = 21,994.66 × 8,864.43
  4. Step 4: Simplify right side
    15,938.16x = 194,970,002.68
  5. Step 5: Solve for x
    x = 194,970,002.68/15,938.16
  6. Step 6: Final answer
    x = 12,232.91

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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.