Home / 12,225.56-18,339.88-3,460.48

Finding the Fourth Proportional to 12,225.56, 18,339.88 and 3,460.48

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Solution

The fourth proportional to 12,225.56, 18,339.88 and 3,460.48 is: 5,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.56 : 18,339.88 = 3,460.48 : x
  2. Step 2: Convert to fraction form
    12,225.56/18,339.88 = 3,460.48/x
  3. Step 3: Cross multiply
    12,225.56x = 18,339.88 × 3,460.48
  4. Step 4: Simplify right side
    12,225.56x = 63,464,787.94
  5. Step 5: Solve for x
    x = 63,464,787.94/12,225.56
  6. Step 6: Final answer
    x = 5,191.16

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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.