Home / 10,616.80-15,903.30-6,220.93

Finding the Fourth Proportional to 10,616.80, 15,903.30 and 6,220.93

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Solution

The fourth proportional to 10,616.80, 15,903.30 and 6,220.93 is: 9,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.80 : 15,903.30 = 6,220.93 : x
  2. Step 2: Convert to fraction form
    10,616.80/15,903.30 = 6,220.93/x
  3. Step 3: Cross multiply
    10,616.80x = 15,903.30 × 6,220.93
  4. Step 4: Simplify right side
    10,616.80x = 98,933,316.07
  5. Step 5: Solve for x
    x = 98,933,316.07/10,616.80
  6. Step 6: Final answer
    x = 9,318.56

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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.