Home / 18,665.02-25,757.49-10,280.98

Finding the Fourth Proportional to 18,665.02, 25,757.49 and 10,280.98

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Solution

The fourth proportional to 18,665.02, 25,757.49 and 10,280.98 is: 14,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.02 : 25,757.49 = 10,280.98 : x
  2. Step 2: Convert to fraction form
    18,665.02/25,757.49 = 10,280.98/x
  3. Step 3: Cross multiply
    18,665.02x = 25,757.49 × 10,280.98
  4. Step 4: Simplify right side
    18,665.02x = 264,812,239.54
  5. Step 5: Solve for x
    x = 264,812,239.54/18,665.02
  6. Step 6: Final answer
    x = 14,187.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.