Home / 13,425.42-18,532.23-8,947.54

Finding the Fourth Proportional to 13,425.42, 18,532.23 and 8,947.54

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Solution

The fourth proportional to 13,425.42, 18,532.23 and 8,947.54 is: 12,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.42 : 18,532.23 = 8,947.54 : x
  2. Step 2: Convert to fraction form
    13,425.42/18,532.23 = 8,947.54/x
  3. Step 3: Cross multiply
    13,425.42x = 18,532.23 × 8,947.54
  4. Step 4: Simplify right side
    13,425.42x = 165,817,776.55
  5. Step 5: Solve for x
    x = 165,817,776.55/13,425.42
  6. Step 6: Final answer
    x = 12,351.03

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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.