Home / 10,823.80-16,235.70-6,158.20

Finding the Fourth Proportional to 10,823.80, 16,235.70 and 6,158.20

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Solution

The fourth proportional to 10,823.80, 16,235.70 and 6,158.20 is: 9,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.80 : 16,235.70 = 6,158.20 : x
  2. Step 2: Convert to fraction form
    10,823.80/16,235.70 = 6,158.20/x
  3. Step 3: Cross multiply
    10,823.80x = 16,235.70 × 6,158.20
  4. Step 4: Simplify right side
    10,823.80x = 99,982,687.74
  5. Step 5: Solve for x
    x = 99,982,687.74/10,823.80
  6. Step 6: Final answer
    x = 9,237.30

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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.