Home / 18,851.51-28,277.33-6,371.64

Finding the Fourth Proportional to 18,851.51, 28,277.33 and 6,371.64

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Solution

The fourth proportional to 18,851.51, 28,277.33 and 6,371.64 is: 9,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.51 : 28,277.33 = 6,371.64 : x
  2. Step 2: Convert to fraction form
    18,851.51/28,277.33 = 6,371.64/x
  3. Step 3: Cross multiply
    18,851.51x = 28,277.33 × 6,371.64
  4. Step 4: Simplify right side
    18,851.51x = 180,172,966.92
  5. Step 5: Solve for x
    x = 180,172,966.92/18,851.51
  6. Step 6: Final answer
    x = 9,557.48

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1.5x scale

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.