Home / 13,500.45-18,630.57-7,532.12

Finding the Fourth Proportional to 13,500.45, 18,630.57 and 7,532.12

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Solution

The fourth proportional to 13,500.45, 18,630.57 and 7,532.12 is: 10,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.45 : 18,630.57 = 7,532.12 : x
  2. Step 2: Convert to fraction form
    13,500.45/18,630.57 = 7,532.12/x
  3. Step 3: Cross multiply
    13,500.45x = 18,630.57 × 7,532.12
  4. Step 4: Simplify right side
    13,500.45x = 140,327,595.76
  5. Step 5: Solve for x
    x = 140,327,595.76/13,500.45
  6. Step 6: Final answer
    x = 10,394.29

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1.5x scale

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.