Home / 12,261.52-18,395.04-4,470.36

Finding the Fourth Proportional to 12,261.52, 18,395.04 and 4,470.36

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Solution

The fourth proportional to 12,261.52, 18,395.04 and 4,470.36 is: 6,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.52 : 18,395.04 = 4,470.36 : x
  2. Step 2: Convert to fraction form
    12,261.52/18,395.04 = 4,470.36/x
  3. Step 3: Cross multiply
    12,261.52x = 18,395.04 × 4,470.36
  4. Step 4: Simplify right side
    12,261.52x = 82,232,451.01
  5. Step 5: Solve for x
    x = 82,232,451.01/12,261.52
  6. Step 6: Final answer
    x = 6,706.55

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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.