Home / 10,284.47-15,426.75-2,493.28

Finding the Fourth Proportional to 10,284.47, 15,426.75 and 2,493.28

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Solution

The fourth proportional to 10,284.47, 15,426.75 and 2,493.28 is: 3,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.47 : 15,426.75 = 2,493.28 : x
  2. Step 2: Convert to fraction form
    10,284.47/15,426.75 = 2,493.28/x
  3. Step 3: Cross multiply
    10,284.47x = 15,426.75 × 2,493.28
  4. Step 4: Simplify right side
    10,284.47x = 38,463,235.87
  5. Step 5: Solve for x
    x = 38,463,235.87/10,284.47
  6. Step 6: Final answer
    x = 3,739.93

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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.