Home / 18,741.41-28,125.92-8,880.65

Finding the Fourth Proportional to 18,741.41, 28,125.92 and 8,880.65

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Solution

The fourth proportional to 18,741.41, 28,125.92 and 8,880.65 is: 13,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.41 : 28,125.92 = 8,880.65 : x
  2. Step 2: Convert to fraction form
    18,741.41/28,125.92 = 8,880.65/x
  3. Step 3: Cross multiply
    18,741.41x = 28,125.92 × 8,880.65
  4. Step 4: Simplify right side
    18,741.41x = 249,776,333.02
  5. Step 5: Solve for x
    x = 249,776,333.02/18,741.41
  6. Step 6: Final answer
    x = 13,327.51

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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.