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Finding the Fourth Proportional to 10,599.69, 15,899.84 and 2,808.50

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Solution

The fourth proportional to 10,599.69, 15,899.84 and 2,808.50 is: 4,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.69 : 15,899.84 = 2,808.50 : x
  2. Step 2: Convert to fraction form
    10,599.69/15,899.84 = 2,808.50/x
  3. Step 3: Cross multiply
    10,599.69x = 15,899.84 × 2,808.50
  4. Step 4: Simplify right side
    10,599.69x = 44,654,700.64
  5. Step 5: Solve for x
    x = 44,654,700.64/10,599.69
  6. Step 6: Final answer
    x = 4,212.83

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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.