Home / 16,964.61-23,406.35-9,889.67

Finding the Fourth Proportional to 16,964.61, 23,406.35 and 9,889.67

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Solution

The fourth proportional to 16,964.61, 23,406.35 and 9,889.67 is: 13,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.61 : 23,406.35 = 9,889.67 : x
  2. Step 2: Convert to fraction form
    16,964.61/23,406.35 = 9,889.67/x
  3. Step 3: Cross multiply
    16,964.61x = 23,406.35 × 9,889.67
  4. Step 4: Simplify right side
    16,964.61x = 231,480,910.92
  5. Step 5: Solve for x
    x = 231,480,910.92/16,964.61
  6. Step 6: Final answer
    x = 13,644.93

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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.