Home / 11,374.36-15,682.90-9,488.68

Finding the Fourth Proportional to 11,374.36, 15,682.90 and 9,488.68

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Solution

The fourth proportional to 11,374.36, 15,682.90 and 9,488.68 is: 13,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.36 : 15,682.90 = 9,488.68 : x
  2. Step 2: Convert to fraction form
    11,374.36/15,682.90 = 9,488.68/x
  3. Step 3: Cross multiply
    11,374.36x = 15,682.90 × 9,488.68
  4. Step 4: Simplify right side
    11,374.36x = 148,810,019.57
  5. Step 5: Solve for x
    x = 148,810,019.57/11,374.36
  6. Step 6: Final answer
    x = 13,082.94

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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.