Home / 16,867.85-23,262.16-11,498.30

Finding the Fourth Proportional to 16,867.85, 23,262.16 and 11,498.30

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Solution

The fourth proportional to 16,867.85, 23,262.16 and 11,498.30 is: 15,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.85 : 23,262.16 = 11,498.30 : x
  2. Step 2: Convert to fraction form
    16,867.85/23,262.16 = 11,498.30/x
  3. Step 3: Cross multiply
    16,867.85x = 23,262.16 × 11,498.30
  4. Step 4: Simplify right side
    16,867.85x = 267,475,421.25
  5. Step 5: Solve for x
    x = 267,475,421.25/16,867.85
  6. Step 6: Final answer
    x = 15,857.12

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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.