Home / 15,308.10-22,965.75-4,777.74

Finding the Fourth Proportional to 15,308.10, 22,965.75 and 4,777.74

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Solution

The fourth proportional to 15,308.10, 22,965.75 and 4,777.74 is: 7,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.10 : 22,965.75 = 4,777.74 : x
  2. Step 2: Convert to fraction form
    15,308.10/22,965.75 = 4,777.74/x
  3. Step 3: Cross multiply
    15,308.10x = 22,965.75 × 4,777.74
  4. Step 4: Simplify right side
    15,308.10x = 109,724,382.41
  5. Step 5: Solve for x
    x = 109,724,382.41/15,308.10
  6. Step 6: Final answer
    x = 7,167.73

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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.