Home / 16,856.76-23,263.38-9,688.96

Finding the Fourth Proportional to 16,856.76, 23,263.38 and 9,688.96

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Solution

The fourth proportional to 16,856.76, 23,263.38 and 9,688.96 is: 13,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.76 : 23,263.38 = 9,688.96 : x
  2. Step 2: Convert to fraction form
    16,856.76/23,263.38 = 9,688.96/x
  3. Step 3: Cross multiply
    16,856.76x = 23,263.38 × 9,688.96
  4. Step 4: Simplify right side
    16,856.76x = 225,397,958.28
  5. Step 5: Solve for x
    x = 225,397,958.28/16,856.76
  6. Step 6: Final answer
    x = 13,371.37

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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.