Home / 13,456.30-20,184.45-10,537.10

Finding the Fourth Proportional to 13,456.30, 20,184.45 and 10,537.10

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Solution

The fourth proportional to 13,456.30, 20,184.45 and 10,537.10 is: 15,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.30 : 20,184.45 = 10,537.10 : x
  2. Step 2: Convert to fraction form
    13,456.30/20,184.45 = 10,537.10/x
  3. Step 3: Cross multiply
    13,456.30x = 20,184.45 × 10,537.10
  4. Step 4: Simplify right side
    13,456.30x = 212,685,568.10
  5. Step 5: Solve for x
    x = 212,685,568.10/13,456.30
  6. Step 6: Final answer
    x = 15,805.65

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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.