Home / 18,830.92-28,237.50-6,976.52

Finding the Fourth Proportional to 18,830.92, 28,237.50 and 6,976.52

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Solution

The fourth proportional to 18,830.92, 28,237.50 and 6,976.52 is: 10,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.92 : 28,237.50 = 6,976.52 : x
  2. Step 2: Convert to fraction form
    18,830.92/28,237.50 = 6,976.52/x
  3. Step 3: Cross multiply
    18,830.92x = 28,237.50 × 6,976.52
  4. Step 4: Simplify right side
    18,830.92x = 196,999,483.50
  5. Step 5: Solve for x
    x = 196,999,483.50/18,830.92
  6. Step 6: Final answer
    x = 10,461.49

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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.