Home / 13,400.26-18,492.51-7,432.10

Finding the Fourth Proportional to 13,400.26, 18,492.51 and 7,432.10

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Solution

The fourth proportional to 13,400.26, 18,492.51 and 7,432.10 is: 10,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.26 : 18,492.51 = 7,432.10 : x
  2. Step 2: Convert to fraction form
    13,400.26/18,492.51 = 7,432.10/x
  3. Step 3: Cross multiply
    13,400.26x = 18,492.51 × 7,432.10
  4. Step 4: Simplify right side
    13,400.26x = 137,438,183.57
  5. Step 5: Solve for x
    x = 137,438,183.57/13,400.26
  6. Step 6: Final answer
    x = 10,256.38

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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.