Home / 10,956.47-16,426.60-4,377.65

Finding the Fourth Proportional to 10,956.47, 16,426.60 and 4,377.65

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Solution

The fourth proportional to 10,956.47, 16,426.60 and 4,377.65 is: 6,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.47 : 16,426.60 = 4,377.65 : x
  2. Step 2: Convert to fraction form
    10,956.47/16,426.60 = 4,377.65/x
  3. Step 3: Cross multiply
    10,956.47x = 16,426.60 × 4,377.65
  4. Step 4: Simplify right side
    10,956.47x = 71,909,812.41
  5. Step 5: Solve for x
    x = 71,909,812.41/10,956.47
  6. Step 6: Final answer
    x = 6,563.23

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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.