Home / 8,796.06-12,118.14-6,139.26

Finding the Fourth Proportional to 8,796.06, 12,118.14 and 6,139.26

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Solution

The fourth proportional to 8,796.06, 12,118.14 and 6,139.26 is: 8,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.06 : 12,118.14 = 6,139.26 : x
  2. Step 2: Convert to fraction form
    8,796.06/12,118.14 = 6,139.26/x
  3. Step 3: Cross multiply
    8,796.06x = 12,118.14 × 6,139.26
  4. Step 4: Simplify right side
    8,796.06x = 74,396,412.18
  5. Step 5: Solve for x
    x = 74,396,412.18/8,796.06
  6. Step 6: Final answer
    x = 8,457.92

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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.