Home / 9,309.90-12,844.77-5,330.27

Finding the Fourth Proportional to 9,309.90, 12,844.77 and 5,330.27

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Solution

The fourth proportional to 9,309.90, 12,844.77 and 5,330.27 is: 7,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.90 : 12,844.77 = 5,330.27 : x
  2. Step 2: Convert to fraction form
    9,309.90/12,844.77 = 5,330.27/x
  3. Step 3: Cross multiply
    9,309.90x = 12,844.77 × 5,330.27
  4. Step 4: Simplify right side
    9,309.90x = 68,466,027.96
  5. Step 5: Solve for x
    x = 68,466,027.96/9,309.90
  6. Step 6: Final answer
    x = 7,354.11

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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.