Home / 12,299.70-18,451.95-4,402.81

Finding the Fourth Proportional to 12,299.70, 18,451.95 and 4,402.81

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Solution

The fourth proportional to 12,299.70, 18,451.95 and 4,402.81 is: 6,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.70 : 18,451.95 = 4,402.81 : x
  2. Step 2: Convert to fraction form
    12,299.70/18,451.95 = 4,402.81/x
  3. Step 3: Cross multiply
    12,299.70x = 18,451.95 × 4,402.81
  4. Step 4: Simplify right side
    12,299.70x = 81,240,436.53
  5. Step 5: Solve for x
    x = 81,240,436.53/12,299.70
  6. Step 6: Final answer
    x = 6,605.07

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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.