Home / 16,769.02-23,141.13-9,215.42

Finding the Fourth Proportional to 16,769.02, 23,141.13 and 9,215.42

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Solution

The fourth proportional to 16,769.02, 23,141.13 and 9,215.42 is: 12,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.02 : 23,141.13 = 9,215.42 : x
  2. Step 2: Convert to fraction form
    16,769.02/23,141.13 = 9,215.42/x
  3. Step 3: Cross multiply
    16,769.02x = 23,141.13 × 9,215.42
  4. Step 4: Simplify right side
    16,769.02x = 213,255,232.22
  5. Step 5: Solve for x
    x = 213,255,232.22/16,769.02
  6. Step 6: Final answer
    x = 12,717.21

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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.