Home / 11,246.48-15,521.49-8,263.34

Finding the Fourth Proportional to 11,246.48, 15,521.49 and 8,263.34

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Solution

The fourth proportional to 11,246.48, 15,521.49 and 8,263.34 is: 11,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.48 : 15,521.49 = 8,263.34 : x
  2. Step 2: Convert to fraction form
    11,246.48/15,521.49 = 8,263.34/x
  3. Step 3: Cross multiply
    11,246.48x = 15,521.49 × 8,263.34
  4. Step 4: Simplify right side
    11,246.48x = 128,259,230.25
  5. Step 5: Solve for x
    x = 128,259,230.25/11,246.48
  6. Step 6: Final answer
    x = 11,404.39

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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.