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Finding the Fourth Proportional to 10,000.88, 15,010.41 and 5,324.81

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Solution

The fourth proportional to 10,000.88, 15,010.41 and 5,324.81 is: 7,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.88 : 15,010.41 = 5,324.81 : x
  2. Step 2: Convert to fraction form
    10,000.88/15,010.41 = 5,324.81/x
  3. Step 3: Cross multiply
    10,000.88x = 15,010.41 × 5,324.81
  4. Step 4: Simplify right side
    10,000.88x = 79,927,506.22
  5. Step 5: Solve for x
    x = 79,927,506.22/10,000.88
  6. Step 6: Final answer
    x = 7,992.05

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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.