Home / 12,349.92-18,528.72-3,586.08

Finding the Fourth Proportional to 12,349.92, 18,528.72 and 3,586.08

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Solution

The fourth proportional to 12,349.92, 18,528.72 and 3,586.08 is: 5,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.92 : 18,528.72 = 3,586.08 : x
  2. Step 2: Convert to fraction form
    12,349.92/18,528.72 = 3,586.08/x
  3. Step 3: Cross multiply
    12,349.92x = 18,528.72 × 3,586.08
  4. Step 4: Simplify right side
    12,349.92x = 66,445,472.22
  5. Step 5: Solve for x
    x = 66,445,472.22/12,349.92
  6. Step 6: Final answer
    x = 5,380.24

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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.