Home / 10,705.20-16,058.24-3,309.48

Finding the Fourth Proportional to 10,705.20, 16,058.24 and 3,309.48

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Solution

The fourth proportional to 10,705.20, 16,058.24 and 3,309.48 is: 4,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.20 : 16,058.24 = 3,309.48 : x
  2. Step 2: Convert to fraction form
    10,705.20/16,058.24 = 3,309.48/x
  3. Step 3: Cross multiply
    10,705.20x = 16,058.24 × 3,309.48
  4. Step 4: Simplify right side
    10,705.20x = 53,144,424.12
  5. Step 5: Solve for x
    x = 53,144,424.12/10,705.20
  6. Step 6: Final answer
    x = 4,964.36

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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.