Home / 12,299.84-18,445.20-4,400.22

Finding the Fourth Proportional to 12,299.84, 18,445.20 and 4,400.22

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Solution

The fourth proportional to 12,299.84, 18,445.20 and 4,400.22 is: 6,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.84 : 18,445.20 = 4,400.22 : x
  2. Step 2: Convert to fraction form
    12,299.84/18,445.20 = 4,400.22/x
  3. Step 3: Cross multiply
    12,299.84x = 18,445.20 × 4,400.22
  4. Step 4: Simplify right side
    12,299.84x = 81,162,937.94
  5. Step 5: Solve for x
    x = 81,162,937.94/12,299.84
  6. Step 6: Final answer
    x = 6,598.70

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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.