Home / 13,518.04-20,255.90-10,182.44

Finding the Fourth Proportional to 13,518.04, 20,255.90 and 10,182.44

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Solution

The fourth proportional to 13,518.04, 20,255.90 and 10,182.44 is: 15,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.04 : 20,255.90 = 10,182.44 : x
  2. Step 2: Convert to fraction form
    13,518.04/20,255.90 = 10,182.44/x
  3. Step 3: Cross multiply
    13,518.04x = 20,255.90 × 10,182.44
  4. Step 4: Simplify right side
    13,518.04x = 206,254,486.40
  5. Step 5: Solve for x
    x = 206,254,486.40/13,518.04
  6. Step 6: Final answer
    x = 15,257.72

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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.