Home / 10,143.19-15,214.89-3,569.44

Finding the Fourth Proportional to 10,143.19, 15,214.89 and 3,569.44

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Solution

The fourth proportional to 10,143.19, 15,214.89 and 3,569.44 is: 5,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.19 : 15,214.89 = 3,569.44 : x
  2. Step 2: Convert to fraction form
    10,143.19/15,214.89 = 3,569.44/x
  3. Step 3: Cross multiply
    10,143.19x = 15,214.89 × 3,569.44
  4. Step 4: Simplify right side
    10,143.19x = 54,308,636.96
  5. Step 5: Solve for x
    x = 54,308,636.96/10,143.19
  6. Step 6: Final answer
    x = 5,354.20

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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.