Home / 9,815.24-14,720.94-2,888.12

Finding the Fourth Proportional to 9,815.24, 14,720.94 and 2,888.12

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Solution

The fourth proportional to 9,815.24, 14,720.94 and 2,888.12 is: 4,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.24 : 14,720.94 = 2,888.12 : x
  2. Step 2: Convert to fraction form
    9,815.24/14,720.94 = 2,888.12/x
  3. Step 3: Cross multiply
    9,815.24x = 14,720.94 × 2,888.12
  4. Step 4: Simplify right side
    9,815.24x = 42,515,841.23
  5. Step 5: Solve for x
    x = 42,515,841.23/9,815.24
  6. Step 6: Final answer
    x = 4,331.62

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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.