Home / 10,138.23-15,214.10-3,564.32

Finding the Fourth Proportional to 10,138.23, 15,214.10 and 3,564.32

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Solution

The fourth proportional to 10,138.23, 15,214.10 and 3,564.32 is: 5,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.23 : 15,214.10 = 3,564.32 : x
  2. Step 2: Convert to fraction form
    10,138.23/15,214.10 = 3,564.32/x
  3. Step 3: Cross multiply
    10,138.23x = 15,214.10 × 3,564.32
  4. Step 4: Simplify right side
    10,138.23x = 54,227,827.02
  5. Step 5: Solve for x
    x = 54,227,827.02/10,138.23
  6. Step 6: Final answer
    x = 5,348.85

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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.