Home / 10,239.86-15,359.79-2,844.32

Finding the Fourth Proportional to 10,239.86, 15,359.79 and 2,844.32

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Solution

The fourth proportional to 10,239.86, 15,359.79 and 2,844.32 is: 4,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.86 : 15,359.79 = 2,844.32 : x
  2. Step 2: Convert to fraction form
    10,239.86/15,359.79 = 2,844.32/x
  3. Step 3: Cross multiply
    10,239.86x = 15,359.79 × 2,844.32
  4. Step 4: Simplify right side
    10,239.86x = 43,688,157.89
  5. Step 5: Solve for x
    x = 43,688,157.89/10,239.86
  6. Step 6: Final answer
    x = 4,266.48

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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.