Home / 18,749.95-28,116.24-6,900.73

Finding the Fourth Proportional to 18,749.95, 28,116.24 and 6,900.73

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Solution

The fourth proportional to 18,749.95, 28,116.24 and 6,900.73 is: 10,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.95 : 28,116.24 = 6,900.73 : x
  2. Step 2: Convert to fraction form
    18,749.95/28,116.24 = 6,900.73/x
  3. Step 3: Cross multiply
    18,749.95x = 28,116.24 × 6,900.73
  4. Step 4: Simplify right side
    18,749.95x = 194,022,580.86
  5. Step 5: Solve for x
    x = 194,022,580.86/18,749.95
  6. Step 6: Final answer
    x = 10,347.90

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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.