Home / 10,599.36-15,899.04-2,808.78

Finding the Fourth Proportional to 10,599.36, 15,899.04 and 2,808.78

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Solution

The fourth proportional to 10,599.36, 15,899.04 and 2,808.78 is: 4,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.36 : 15,899.04 = 2,808.78 : x
  2. Step 2: Convert to fraction form
    10,599.36/15,899.04 = 2,808.78/x
  3. Step 3: Cross multiply
    10,599.36x = 15,899.04 × 2,808.78
  4. Step 4: Simplify right side
    10,599.36x = 44,656,905.57
  5. Step 5: Solve for x
    x = 44,656,905.57/10,599.36
  6. Step 6: Final answer
    x = 4,213.17

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Similar ratio
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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.