Home / 16,887.33-23,306.40-12,688.29

Finding the Fourth Proportional to 16,887.33, 23,306.40 and 12,688.29

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Solution

The fourth proportional to 16,887.33, 23,306.40 and 12,688.29 is: 17,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.33 : 23,306.40 = 12,688.29 : x
  2. Step 2: Convert to fraction form
    16,887.33/23,306.40 = 12,688.29/x
  3. Step 3: Cross multiply
    16,887.33x = 23,306.40 × 12,688.29
  4. Step 4: Simplify right side
    16,887.33x = 295,718,362.06
  5. Step 5: Solve for x
    x = 295,718,362.06/16,887.33
  6. Step 6: Final answer
    x = 17,511.26

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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.