Home / 11,032.20-15,219.36-9,774.54

Finding the Fourth Proportional to 11,032.20, 15,219.36 and 9,774.54

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Solution

The fourth proportional to 11,032.20, 15,219.36 and 9,774.54 is: 13,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,032.20 : 15,219.36 = 9,774.54 : x
  2. Step 2: Convert to fraction form
    11,032.20/15,219.36 = 9,774.54/x
  3. Step 3: Cross multiply
    11,032.20x = 15,219.36 × 9,774.54
  4. Step 4: Simplify right side
    11,032.20x = 148,762,243.09
  5. Step 5: Solve for x
    x = 148,762,243.09/11,032.20
  6. Step 6: Final answer
    x = 13,484.37

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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.