Home / 12,146.32-18,219.48-9,377.03

Finding the Fourth Proportional to 12,146.32, 18,219.48 and 9,377.03

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Solution

The fourth proportional to 12,146.32, 18,219.48 and 9,377.03 is: 14,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.32 : 18,219.48 = 9,377.03 : x
  2. Step 2: Convert to fraction form
    12,146.32/18,219.48 = 9,377.03/x
  3. Step 3: Cross multiply
    12,146.32x = 18,219.48 × 9,377.03
  4. Step 4: Simplify right side
    12,146.32x = 170,844,656.09
  5. Step 5: Solve for x
    x = 170,844,656.09/12,146.32
  6. Step 6: Final answer
    x = 14,065.55

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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.