Home / 19,518.64-29,277.97-4,727.57

Finding the Fourth Proportional to 19,518.64, 29,277.97 and 4,727.57

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Solution

The fourth proportional to 19,518.64, 29,277.97 and 4,727.57 is: 7,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.64 : 29,277.97 = 4,727.57 : x
  2. Step 2: Convert to fraction form
    19,518.64/29,277.97 = 4,727.57/x
  3. Step 3: Cross multiply
    19,518.64x = 29,277.97 × 4,727.57
  4. Step 4: Simplify right side
    19,518.64x = 138,413,652.63
  5. Step 5: Solve for x
    x = 138,413,652.63/19,518.64
  6. Step 6: Final answer
    x = 7,091.36

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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.