Home / 9,892.20-14,822.10-7,267.80

Finding the Fourth Proportional to 9,892.20, 14,822.10 and 7,267.80

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Solution

The fourth proportional to 9,892.20, 14,822.10 and 7,267.80 is: 10,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.20 : 14,822.10 = 7,267.80 : x
  2. Step 2: Convert to fraction form
    9,892.20/14,822.10 = 7,267.80/x
  3. Step 3: Cross multiply
    9,892.20x = 14,822.10 × 7,267.80
  4. Step 4: Simplify right side
    9,892.20x = 107,724,058.38
  5. Step 5: Solve for x
    x = 107,724,058.38/9,892.20
  6. Step 6: Final answer
    x = 10,889.80

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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.