Home / 16,217.92-22,365.80-10,239.20

Finding the Fourth Proportional to 16,217.92, 22,365.80 and 10,239.20

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Solution

The fourth proportional to 16,217.92, 22,365.80 and 10,239.20 is: 14,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.92 : 22,365.80 = 10,239.20 : x
  2. Step 2: Convert to fraction form
    16,217.92/22,365.80 = 10,239.20/x
  3. Step 3: Cross multiply
    16,217.92x = 22,365.80 × 10,239.20
  4. Step 4: Simplify right side
    16,217.92x = 229,007,899.36
  5. Step 5: Solve for x
    x = 229,007,899.36/16,217.92
  6. Step 6: Final answer
    x = 14,120.67

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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.