Home / 9,424.60-14,142.37-3,878.51

Finding the Fourth Proportional to 9,424.60, 14,142.37 and 3,878.51

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Solution

The fourth proportional to 9,424.60, 14,142.37 and 3,878.51 is: 5,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.60 : 14,142.37 = 3,878.51 : x
  2. Step 2: Convert to fraction form
    9,424.60/14,142.37 = 3,878.51/x
  3. Step 3: Cross multiply
    9,424.60x = 14,142.37 × 3,878.51
  4. Step 4: Simplify right side
    9,424.60x = 54,851,301.02
  5. Step 5: Solve for x
    x = 54,851,301.02/9,424.60
  6. Step 6: Final answer
    x = 5,820.01

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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.