Home / 16,768.50-23,140.62-9,316.50

Finding the Fourth Proportional to 16,768.50, 23,140.62 and 9,316.50

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Solution

The fourth proportional to 16,768.50, 23,140.62 and 9,316.50 is: 12,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.50 : 23,140.62 = 9,316.50 : x
  2. Step 2: Convert to fraction form
    16,768.50/23,140.62 = 9,316.50/x
  3. Step 3: Cross multiply
    16,768.50x = 23,140.62 × 9,316.50
  4. Step 4: Simplify right side
    16,768.50x = 215,589,586.23
  5. Step 5: Solve for x
    x = 215,589,586.23/16,768.50
  6. Step 6: Final answer
    x = 12,856.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.