Home / 16,946.45-23,384.18-9,390.88

Finding the Fourth Proportional to 16,946.45, 23,384.18 and 9,390.88

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Solution

The fourth proportional to 16,946.45, 23,384.18 and 9,390.88 is: 12,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.45 : 23,384.18 = 9,390.88 : x
  2. Step 2: Convert to fraction form
    16,946.45/23,384.18 = 9,390.88/x
  3. Step 3: Cross multiply
    16,946.45x = 23,384.18 × 9,390.88
  4. Step 4: Simplify right side
    16,946.45x = 219,597,864.40
  5. Step 5: Solve for x
    x = 219,597,864.40/16,946.45
  6. Step 6: Final answer
    x = 12,958.34

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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.