Home / 18,764.45-28,146.66-8,898.35

Finding the Fourth Proportional to 18,764.45, 28,146.66 and 8,898.35

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Solution

The fourth proportional to 18,764.45, 28,146.66 and 8,898.35 is: 13,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.45 : 28,146.66 = 8,898.35 : x
  2. Step 2: Convert to fraction form
    18,764.45/28,146.66 = 8,898.35/x
  3. Step 3: Cross multiply
    18,764.45x = 28,146.66 × 8,898.35
  4. Step 4: Simplify right side
    18,764.45x = 250,458,657.91
  5. Step 5: Solve for x
    x = 250,458,657.91/18,764.45
  6. Step 6: Final answer
    x = 13,347.51

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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.