Home / 10,689.18-15,994.89-8,822.94

Finding the Fourth Proportional to 10,689.18, 15,994.89 and 8,822.94

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Solution

The fourth proportional to 10,689.18, 15,994.89 and 8,822.94 is: 13,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.18 : 15,994.89 = 8,822.94 : x
  2. Step 2: Convert to fraction form
    10,689.18/15,994.89 = 8,822.94/x
  3. Step 3: Cross multiply
    10,689.18x = 15,994.89 × 8,822.94
  4. Step 4: Simplify right side
    10,689.18x = 141,121,954.78
  5. Step 5: Solve for x
    x = 141,121,954.78/10,689.18
  6. Step 6: Final answer
    x = 13,202.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.