Home / 12,614.40-18,922.08-4,818.72

Finding the Fourth Proportional to 12,614.40, 18,922.08 and 4,818.72

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Solution

The fourth proportional to 12,614.40, 18,922.08 and 4,818.72 is: 7,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.40 : 18,922.08 = 4,818.72 : x
  2. Step 2: Convert to fraction form
    12,614.40/18,922.08 = 4,818.72/x
  3. Step 3: Cross multiply
    12,614.40x = 18,922.08 × 4,818.72
  4. Step 4: Simplify right side
    12,614.40x = 91,180,205.34
  5. Step 5: Solve for x
    x = 91,180,205.34/12,614.40
  6. Step 6: Final answer
    x = 7,228.26

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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.