Home / 16,381.69-22,606.54-9,307.96

Finding the Fourth Proportional to 16,381.69, 22,606.54 and 9,307.96

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Solution

The fourth proportional to 16,381.69, 22,606.54 and 9,307.96 is: 12,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.69 : 22,606.54 = 9,307.96 : x
  2. Step 2: Convert to fraction form
    16,381.69/22,606.54 = 9,307.96/x
  3. Step 3: Cross multiply
    16,381.69x = 22,606.54 × 9,307.96
  4. Step 4: Simplify right side
    16,381.69x = 210,420,770.06
  5. Step 5: Solve for x
    x = 210,420,770.06/16,381.69
  6. Step 6: Final answer
    x = 12,844.88

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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.