Home / 11,368.08-15,682.50-7,390.44

Finding the Fourth Proportional to 11,368.08, 15,682.50 and 7,390.44

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Solution

The fourth proportional to 11,368.08, 15,682.50 and 7,390.44 is: 10,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.08 : 15,682.50 = 7,390.44 : x
  2. Step 2: Convert to fraction form
    11,368.08/15,682.50 = 7,390.44/x
  3. Step 3: Cross multiply
    11,368.08x = 15,682.50 × 7,390.44
  4. Step 4: Simplify right side
    11,368.08x = 115,900,575.30
  5. Step 5: Solve for x
    x = 115,900,575.30/11,368.08
  6. Step 6: Final answer
    x = 10,195.26

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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.