Home / 11,986.02-17,979.19-4,590.93

Finding the Fourth Proportional to 11,986.02, 17,979.19 and 4,590.93

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Solution

The fourth proportional to 11,986.02, 17,979.19 and 4,590.93 is: 6,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.02 : 17,979.19 = 4,590.93 : x
  2. Step 2: Convert to fraction form
    11,986.02/17,979.19 = 4,590.93/x
  3. Step 3: Cross multiply
    11,986.02x = 17,979.19 × 4,590.93
  4. Step 4: Simplify right side
    11,986.02x = 82,541,123.85
  5. Step 5: Solve for x
    x = 82,541,123.85/11,986.02
  6. Step 6: Final answer
    x = 6,886.45

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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.