Home / 10,222.48-15,259.12-8,770.96

Finding the Fourth Proportional to 10,222.48, 15,259.12 and 8,770.96

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Solution

The fourth proportional to 10,222.48, 15,259.12 and 8,770.96 is: 13,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.48 : 15,259.12 = 8,770.96 : x
  2. Step 2: Convert to fraction form
    10,222.48/15,259.12 = 8,770.96/x
  3. Step 3: Cross multiply
    10,222.48x = 15,259.12 × 8,770.96
  4. Step 4: Simplify right side
    10,222.48x = 133,837,153.08
  5. Step 5: Solve for x
    x = 133,837,153.08/10,222.48
  6. Step 6: Final answer
    x = 13,092.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.