Home / 10,620.60-15,923.70-4,045.80

Finding the Fourth Proportional to 10,620.60, 15,923.70 and 4,045.80

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Solution

The fourth proportional to 10,620.60, 15,923.70 and 4,045.80 is: 6,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.60 : 15,923.70 = 4,045.80 : x
  2. Step 2: Convert to fraction form
    10,620.60/15,923.70 = 4,045.80/x
  3. Step 3: Cross multiply
    10,620.60x = 15,923.70 × 4,045.80
  4. Step 4: Simplify right side
    10,620.60x = 64,424,105.46
  5. Step 5: Solve for x
    x = 64,424,105.46/10,620.60
  6. Step 6: Final answer
    x = 6,065.96

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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.