Home / 19,121.02-26,387.89-10,623.15

Finding the Fourth Proportional to 19,121.02, 26,387.89 and 10,623.15

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Solution

The fourth proportional to 19,121.02, 26,387.89 and 10,623.15 is: 14,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.02 : 26,387.89 = 10,623.15 : x
  2. Step 2: Convert to fraction form
    19,121.02/26,387.89 = 10,623.15/x
  3. Step 3: Cross multiply
    19,121.02x = 26,387.89 × 10,623.15
  4. Step 4: Simplify right side
    19,121.02x = 280,322,487.10
  5. Step 5: Solve for x
    x = 280,322,487.10/19,121.02
  6. Step 6: Final answer
    x = 14,660.44

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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.