Home / 9,989.34-13,786.56-6,012.60

Finding the Fourth Proportional to 9,989.34, 13,786.56 and 6,012.60

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Solution

The fourth proportional to 9,989.34, 13,786.56 and 6,012.60 is: 8,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.34 : 13,786.56 = 6,012.60 : x
  2. Step 2: Convert to fraction form
    9,989.34/13,786.56 = 6,012.60/x
  3. Step 3: Cross multiply
    9,989.34x = 13,786.56 × 6,012.60
  4. Step 4: Simplify right side
    9,989.34x = 82,893,070.66
  5. Step 5: Solve for x
    x = 82,893,070.66/9,989.34
  6. Step 6: Final answer
    x = 8,298.15

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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.