Home / 18,857.02-28,285.34-11,463.52

Finding the Fourth Proportional to 18,857.02, 28,285.34 and 11,463.52

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Solution

The fourth proportional to 18,857.02, 28,285.34 and 11,463.52 is: 17,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.02 : 28,285.34 = 11,463.52 : x
  2. Step 2: Convert to fraction form
    18,857.02/28,285.34 = 11,463.52/x
  3. Step 3: Cross multiply
    18,857.02x = 28,285.34 × 11,463.52
  4. Step 4: Simplify right side
    18,857.02x = 324,249,560.80
  5. Step 5: Solve for x
    x = 324,249,560.80/18,857.02
  6. Step 6: Final answer
    x = 17,195.16

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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.