Home / 9,989.22-13,778.73-6,011.58

Finding the Fourth Proportional to 9,989.22, 13,778.73 and 6,011.58

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Solution

The fourth proportional to 9,989.22, 13,778.73 and 6,011.58 is: 8,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.22 : 13,778.73 = 6,011.58 : x
  2. Step 2: Convert to fraction form
    9,989.22/13,778.73 = 6,011.58/x
  3. Step 3: Cross multiply
    9,989.22x = 13,778.73 × 6,011.58
  4. Step 4: Simplify right side
    9,989.22x = 82,831,937.69
  5. Step 5: Solve for x
    x = 82,831,937.69/9,989.22
  6. Step 6: Final answer
    x = 8,292.13

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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.