Home / 10,309.80-14,226.36-6,331.08

Finding the Fourth Proportional to 10,309.80, 14,226.36 and 6,331.08

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Solution

The fourth proportional to 10,309.80, 14,226.36 and 6,331.08 is: 8,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.80 : 14,226.36 = 6,331.08 : x
  2. Step 2: Convert to fraction form
    10,309.80/14,226.36 = 6,331.08/x
  3. Step 3: Cross multiply
    10,309.80x = 14,226.36 × 6,331.08
  4. Step 4: Simplify right side
    10,309.80x = 90,068,223.27
  5. Step 5: Solve for x
    x = 90,068,223.27/10,309.80
  6. Step 6: Final answer
    x = 8,736.18

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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.