Home / 18,340.02-25,307.24-10,380.66

Finding the Fourth Proportional to 18,340.02, 25,307.24 and 10,380.66

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Solution

The fourth proportional to 18,340.02, 25,307.24 and 10,380.66 is: 14,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.02 : 25,307.24 = 10,380.66 : x
  2. Step 2: Convert to fraction form
    18,340.02/25,307.24 = 10,380.66/x
  3. Step 3: Cross multiply
    18,340.02x = 25,307.24 × 10,380.66
  4. Step 4: Simplify right side
    18,340.02x = 262,705,707.17
  5. Step 5: Solve for x
    x = 262,705,707.17/18,340.02
  6. Step 6: Final answer
    x = 14,324.18

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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.