Home / 23,122.05-31,908.33-12,511.68

Finding the Fourth Proportional to 23,122.05, 31,908.33 and 12,511.68

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Solution

The fourth proportional to 23,122.05, 31,908.33 and 12,511.68 is: 17,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.05 : 31,908.33 = 12,511.68 : x
  2. Step 2: Convert to fraction form
    23,122.05/31,908.33 = 12,511.68/x
  3. Step 3: Cross multiply
    23,122.05x = 31,908.33 × 12,511.68
  4. Step 4: Simplify right side
    23,122.05x = 399,226,814.29
  5. Step 5: Solve for x
    x = 399,226,814.29/23,122.05
  6. Step 6: Final answer
    x = 17,266.06

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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.