Home / 18,975.25-28,466.52-8,587

Finding the Fourth Proportional to 18,975.25, 28,466.52 and 8,587

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Solution

The fourth proportional to 18,975.25, 28,466.52 and 8,587 is: 12,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.25 : 28,466.52 = 8,587 : x
  2. Step 2: Convert to fraction form
    18,975.25/28,466.52 = 8,587/x
  3. Step 3: Cross multiply
    18,975.25x = 28,466.52 × 8,587
  4. Step 4: Simplify right side
    18,975.25x = 244,442,007.24
  5. Step 5: Solve for x
    x = 244,442,007.24/18,975.25
  6. Step 6: Final answer
    x = 12,882.15

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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.