Home / 12,340.79-18,506.56-4,441.16

Finding the Fourth Proportional to 12,340.79, 18,506.56 and 4,441.16

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Solution

The fourth proportional to 12,340.79, 18,506.56 and 4,441.16 is: 6,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.79 : 18,506.56 = 4,441.16 : x
  2. Step 2: Convert to fraction form
    12,340.79/18,506.56 = 4,441.16/x
  3. Step 3: Cross multiply
    12,340.79x = 18,506.56 × 4,441.16
  4. Step 4: Simplify right side
    12,340.79x = 82,190,594.01
  5. Step 5: Solve for x
    x = 82,190,594.01/12,340.79
  6. Step 6: Final answer
    x = 6,660.08

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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.