Home / 10,185.32-15,277.66-2,889.32

Finding the Fourth Proportional to 10,185.32, 15,277.66 and 2,889.32

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Solution

The fourth proportional to 10,185.32, 15,277.66 and 2,889.32 is: 4,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.32 : 15,277.66 = 2,889.32 : x
  2. Step 2: Convert to fraction form
    10,185.32/15,277.66 = 2,889.32/x
  3. Step 3: Cross multiply
    10,185.32x = 15,277.66 × 2,889.32
  4. Step 4: Simplify right side
    10,185.32x = 44,142,048.59
  5. Step 5: Solve for x
    x = 44,142,048.59/10,185.32
  6. Step 6: Final answer
    x = 4,333.89

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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.