Home / 16,940-23,377.40-9,867.08

Finding the Fourth Proportional to 16,940, 23,377.40 and 9,867.08

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Solution

The fourth proportional to 16,940, 23,377.40 and 9,867.08 is: 13,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940 : 23,377.40 = 9,867.08 : x
  2. Step 2: Convert to fraction form
    16,940/23,377.40 = 9,867.08/x
  3. Step 3: Cross multiply
    16,940x = 23,377.40 × 9,867.08
  4. Step 4: Simplify right side
    16,940x = 230,666,675.99
  5. Step 5: Solve for x
    x = 230,666,675.99/16,940
  6. Step 6: Final answer
    x = 13,616.69

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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.