Home / 16,964.79-23,405.81-10,247.87

Finding the Fourth Proportional to 16,964.79, 23,405.81 and 10,247.87

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Solution

The fourth proportional to 16,964.79, 23,405.81 and 10,247.87 is: 14,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.79 : 23,405.81 = 10,247.87 : x
  2. Step 2: Convert to fraction form
    16,964.79/23,405.81 = 10,247.87/x
  3. Step 3: Cross multiply
    16,964.79x = 23,405.81 × 10,247.87
  4. Step 4: Simplify right side
    16,964.79x = 239,859,698.12
  5. Step 5: Solve for x
    x = 239,859,698.12/16,964.79
  6. Step 6: Final answer
    x = 14,138.68

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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.