Home / 11,977.04-16,538.78-7,508.48

Finding the Fourth Proportional to 11,977.04, 16,538.78 and 7,508.48

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Solution

The fourth proportional to 11,977.04, 16,538.78 and 7,508.48 is: 10,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.04 : 16,538.78 = 7,508.48 : x
  2. Step 2: Convert to fraction form
    11,977.04/16,538.78 = 7,508.48/x
  3. Step 3: Cross multiply
    11,977.04x = 16,538.78 × 7,508.48
  4. Step 4: Simplify right side
    11,977.04x = 124,181,034.93
  5. Step 5: Solve for x
    x = 124,181,034.93/11,977.04
  6. Step 6: Final answer
    x = 10,368.26

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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.