Home / 12,310.56-18,474.48-9,543.60

Finding the Fourth Proportional to 12,310.56, 18,474.48 and 9,543.60

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Solution

The fourth proportional to 12,310.56, 18,474.48 and 9,543.60 is: 14,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.56 : 18,474.48 = 9,543.60 : x
  2. Step 2: Convert to fraction form
    12,310.56/18,474.48 = 9,543.60/x
  3. Step 3: Cross multiply
    12,310.56x = 18,474.48 × 9,543.60
  4. Step 4: Simplify right side
    12,310.56x = 176,313,047.33
  5. Step 5: Solve for x
    x = 176,313,047.33/12,310.56
  6. Step 6: Final answer
    x = 14,322.10

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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.