Home / 13,869.23-20,805.66-4,510.69

Finding the Fourth Proportional to 13,869.23, 20,805.66 and 4,510.69

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Solution

The fourth proportional to 13,869.23, 20,805.66 and 4,510.69 is: 6,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.23 : 20,805.66 = 4,510.69 : x
  2. Step 2: Convert to fraction form
    13,869.23/20,805.66 = 4,510.69/x
  3. Step 3: Cross multiply
    13,869.23x = 20,805.66 × 4,510.69
  4. Step 4: Simplify right side
    13,869.23x = 93,847,830.49
  5. Step 5: Solve for x
    x = 93,847,830.49/13,869.23
  6. Step 6: Final answer
    x = 6,766.62

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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.