Home / 10,176.93-15,263.79-2,781.96

Finding the Fourth Proportional to 10,176.93, 15,263.79 and 2,781.96

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Solution

The fourth proportional to 10,176.93, 15,263.79 and 2,781.96 is: 4,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.93 : 15,263.79 = 2,781.96 : x
  2. Step 2: Convert to fraction form
    10,176.93/15,263.79 = 2,781.96/x
  3. Step 3: Cross multiply
    10,176.93x = 15,263.79 × 2,781.96
  4. Step 4: Simplify right side
    10,176.93x = 42,463,253.23
  5. Step 5: Solve for x
    x = 42,463,253.23/10,176.93
  6. Step 6: Final answer
    x = 4,172.50

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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.