Home / 17,966.16-26,940.36-10,857.72

Finding the Fourth Proportional to 17,966.16, 26,940.36 and 10,857.72

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Solution

The fourth proportional to 17,966.16, 26,940.36 and 10,857.72 is: 16,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.16 : 26,940.36 = 10,857.72 : x
  2. Step 2: Convert to fraction form
    17,966.16/26,940.36 = 10,857.72/x
  3. Step 3: Cross multiply
    17,966.16x = 26,940.36 × 10,857.72
  4. Step 4: Simplify right side
    17,966.16x = 292,510,885.58
  5. Step 5: Solve for x
    x = 292,510,885.58/17,966.16
  6. Step 6: Final answer
    x = 16,281.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.