Home / 10,922.76-15,072.60-6,446.24

Finding the Fourth Proportional to 10,922.76, 15,072.60 and 6,446.24

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Solution

The fourth proportional to 10,922.76, 15,072.60 and 6,446.24 is: 8,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.76 : 15,072.60 = 6,446.24 : x
  2. Step 2: Convert to fraction form
    10,922.76/15,072.60 = 6,446.24/x
  3. Step 3: Cross multiply
    10,922.76x = 15,072.60 × 6,446.24
  4. Step 4: Simplify right side
    10,922.76x = 97,161,597.02
  5. Step 5: Solve for x
    x = 97,161,597.02/10,922.76
  6. Step 6: Final answer
    x = 8,895.33

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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.