Home / 8,018.16-12,029.45-3,340.36

Finding the Fourth Proportional to 8,018.16, 12,029.45 and 3,340.36

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Solution

The fourth proportional to 8,018.16, 12,029.45 and 3,340.36 is: 5,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.16 : 12,029.45 = 3,340.36 : x
  2. Step 2: Convert to fraction form
    8,018.16/12,029.45 = 3,340.36/x
  3. Step 3: Cross multiply
    8,018.16x = 12,029.45 × 3,340.36
  4. Step 4: Simplify right side
    8,018.16x = 40,182,693.60
  5. Step 5: Solve for x
    x = 40,182,693.60/8,018.16
  6. Step 6: Final answer
    x = 5,011.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.