Home / 12,261.27-18,394.63-4,470.08

Finding the Fourth Proportional to 12,261.27, 18,394.63 and 4,470.08

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Solution

The fourth proportional to 12,261.27, 18,394.63 and 4,470.08 is: 6,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.27 : 18,394.63 = 4,470.08 : x
  2. Step 2: Convert to fraction form
    12,261.27/18,394.63 = 4,470.08/x
  3. Step 3: Cross multiply
    12,261.27x = 18,394.63 × 4,470.08
  4. Step 4: Simplify right side
    12,261.27x = 82,225,467.67
  5. Step 5: Solve for x
    x = 82,225,467.67/12,261.27
  6. Step 6: Final answer
    x = 6,706.11

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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.