Home / 16,899.48-23,320.82-9,345.68

Finding the Fourth Proportional to 16,899.48, 23,320.82 and 9,345.68

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Solution

The fourth proportional to 16,899.48, 23,320.82 and 9,345.68 is: 12,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.48 : 23,320.82 = 9,345.68 : x
  2. Step 2: Convert to fraction form
    16,899.48/23,320.82 = 9,345.68/x
  3. Step 3: Cross multiply
    16,899.48x = 23,320.82 × 9,345.68
  4. Step 4: Simplify right side
    16,899.48x = 217,948,921.06
  5. Step 5: Solve for x
    x = 217,948,921.06/16,899.48
  6. Step 6: Final answer
    x = 12,896.78

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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.