Home / 10,601.40-15,869.70-6,205.80

Finding the Fourth Proportional to 10,601.40, 15,869.70 and 6,205.80

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Solution

The fourth proportional to 10,601.40, 15,869.70 and 6,205.80 is: 9,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.40 : 15,869.70 = 6,205.80 : x
  2. Step 2: Convert to fraction form
    10,601.40/15,869.70 = 6,205.80/x
  3. Step 3: Cross multiply
    10,601.40x = 15,869.70 × 6,205.80
  4. Step 4: Simplify right side
    10,601.40x = 98,484,184.26
  5. Step 5: Solve for x
    x = 98,484,184.26/10,601.40
  6. Step 6: Final answer
    x = 9,289.73

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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.