Home / 10,306.20-14,205.96-8,064.48

Finding the Fourth Proportional to 10,306.20, 14,205.96 and 8,064.48

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Solution

The fourth proportional to 10,306.20, 14,205.96 and 8,064.48 is: 11,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.20 : 14,205.96 = 8,064.48 : x
  2. Step 2: Convert to fraction form
    10,306.20/14,205.96 = 8,064.48/x
  3. Step 3: Cross multiply
    10,306.20x = 14,205.96 × 8,064.48
  4. Step 4: Simplify right side
    10,306.20x = 114,563,680.30
  5. Step 5: Solve for x
    x = 114,563,680.30/10,306.20
  6. Step 6: Final answer
    x = 11,116.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.