Home / 18,724.02-28,072.17-8,851.77

Finding the Fourth Proportional to 18,724.02, 28,072.17 and 8,851.77

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Solution

The fourth proportional to 18,724.02, 28,072.17 and 8,851.77 is: 13,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.02 : 28,072.17 = 8,851.77 : x
  2. Step 2: Convert to fraction form
    18,724.02/28,072.17 = 8,851.77/x
  3. Step 3: Cross multiply
    18,724.02x = 28,072.17 × 8,851.77
  4. Step 4: Simplify right side
    18,724.02x = 248,488,392.24
  5. Step 5: Solve for x
    x = 248,488,392.24/18,724.02
  6. Step 6: Final answer
    x = 13,271.10

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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.