Home / 16,851.12-23,254.32-9,399.12

Finding the Fourth Proportional to 16,851.12, 23,254.32 and 9,399.12

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Solution

The fourth proportional to 16,851.12, 23,254.32 and 9,399.12 is: 12,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.12 : 23,254.32 = 9,399.12 : x
  2. Step 2: Convert to fraction form
    16,851.12/23,254.32 = 9,399.12/x
  3. Step 3: Cross multiply
    16,851.12x = 23,254.32 × 9,399.12
  4. Step 4: Simplify right side
    16,851.12x = 218,570,144.20
  5. Step 5: Solve for x
    x = 218,570,144.20/16,851.12
  6. Step 6: Final answer
    x = 12,970.66

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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.