Home / 9,043.90-12,480.60-5,065.07

Finding the Fourth Proportional to 9,043.90, 12,480.60 and 5,065.07

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Solution

The fourth proportional to 9,043.90, 12,480.60 and 5,065.07 is: 6,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.90 : 12,480.60 = 5,065.07 : x
  2. Step 2: Convert to fraction form
    9,043.90/12,480.60 = 5,065.07/x
  3. Step 3: Cross multiply
    9,043.90x = 12,480.60 × 5,065.07
  4. Step 4: Simplify right side
    9,043.90x = 63,215,112.64
  5. Step 5: Solve for x
    x = 63,215,112.64/9,043.90
  6. Step 6: Final answer
    x = 6,989.81

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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.