Home / 16,851.07-23,232.88-13,815.19

Finding the Fourth Proportional to 16,851.07, 23,232.88 and 13,815.19

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Solution

The fourth proportional to 16,851.07, 23,232.88 and 13,815.19 is: 19,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.07 : 23,232.88 = 13,815.19 : x
  2. Step 2: Convert to fraction form
    16,851.07/23,232.88 = 13,815.19/x
  3. Step 3: Cross multiply
    16,851.07x = 23,232.88 × 13,815.19
  4. Step 4: Simplify right side
    16,851.07x = 320,966,736.61
  5. Step 5: Solve for x
    x = 320,966,736.61/16,851.07
  6. Step 6: Final answer
    x = 19,047.26

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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.