Home / 11,036.88-16,555.30-7,764.60

Finding the Fourth Proportional to 11,036.88, 16,555.30 and 7,764.60

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Solution

The fourth proportional to 11,036.88, 16,555.30 and 7,764.60 is: 11,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.88 : 16,555.30 = 7,764.60 : x
  2. Step 2: Convert to fraction form
    11,036.88/16,555.30 = 7,764.60/x
  3. Step 3: Cross multiply
    11,036.88x = 16,555.30 × 7,764.60
  4. Step 4: Simplify right side
    11,036.88x = 128,545,282.38
  5. Step 5: Solve for x
    x = 128,545,282.38/11,036.88
  6. Step 6: Final answer
    x = 11,646.89

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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.