Home / 16,690.86-25,036.56-7,926.66

Finding the Fourth Proportional to 16,690.86, 25,036.56 and 7,926.66

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Solution

The fourth proportional to 16,690.86, 25,036.56 and 7,926.66 is: 11,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.86 : 25,036.56 = 7,926.66 : x
  2. Step 2: Convert to fraction form
    16,690.86/25,036.56 = 7,926.66/x
  3. Step 3: Cross multiply
    16,690.86x = 25,036.56 × 7,926.66
  4. Step 4: Simplify right side
    16,690.86x = 198,456,298.69
  5. Step 5: Solve for x
    x = 198,456,298.69/16,690.86
  6. Step 6: Final answer
    x = 11,890.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.