Home / 10,204.48-15,306.74-2,809.52

Finding the Fourth Proportional to 10,204.48, 15,306.74 and 2,809.52

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Solution

The fourth proportional to 10,204.48, 15,306.74 and 2,809.52 is: 4,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.48 : 15,306.74 = 2,809.52 : x
  2. Step 2: Convert to fraction form
    10,204.48/15,306.74 = 2,809.52/x
  3. Step 3: Cross multiply
    10,204.48x = 15,306.74 × 2,809.52
  4. Step 4: Simplify right side
    10,204.48x = 43,004,569.52
  5. Step 5: Solve for x
    x = 43,004,569.52/10,204.48
  6. Step 6: Final answer
    x = 4,214.28

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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.