Home / 10,817.40-16,235.70-9,262.20

Finding the Fourth Proportional to 10,817.40, 16,235.70 and 9,262.20

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Solution

The fourth proportional to 10,817.40, 16,235.70 and 9,262.20 is: 13,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.40 : 16,235.70 = 9,262.20 : x
  2. Step 2: Convert to fraction form
    10,817.40/16,235.70 = 9,262.20/x
  3. Step 3: Cross multiply
    10,817.40x = 16,235.70 × 9,262.20
  4. Step 4: Simplify right side
    10,817.40x = 150,378,300.54
  5. Step 5: Solve for x
    x = 150,378,300.54/10,817.40
  6. Step 6: Final answer
    x = 13,901.52

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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.