Home / 12,146.32-18,219.04-4,248.82

Finding the Fourth Proportional to 12,146.32, 18,219.04 and 4,248.82

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Solution

The fourth proportional to 12,146.32, 18,219.04 and 4,248.82 is: 6,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.32 : 18,219.04 = 4,248.82 : x
  2. Step 2: Convert to fraction form
    12,146.32/18,219.04 = 4,248.82/x
  3. Step 3: Cross multiply
    12,146.32x = 18,219.04 × 4,248.82
  4. Step 4: Simplify right side
    12,146.32x = 77,409,362.80
  5. Step 5: Solve for x
    x = 77,409,362.80/12,146.32
  6. Step 6: Final answer
    x = 6,373.07

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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.