Home / 10,255.54-15,384.18-2,860.01

Finding the Fourth Proportional to 10,255.54, 15,384.18 and 2,860.01

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Solution

The fourth proportional to 10,255.54, 15,384.18 and 2,860.01 is: 4,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.54 : 15,384.18 = 2,860.01 : x
  2. Step 2: Convert to fraction form
    10,255.54/15,384.18 = 2,860.01/x
  3. Step 3: Cross multiply
    10,255.54x = 15,384.18 × 2,860.01
  4. Step 4: Simplify right side
    10,255.54x = 43,998,908.64
  5. Step 5: Solve for x
    x = 43,998,908.64/10,255.54
  6. Step 6: Final answer
    x = 4,290.26

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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.