Home / 17,867.58-26,781.31-8,384.53

Finding the Fourth Proportional to 17,867.58, 26,781.31 and 8,384.53

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Solution

The fourth proportional to 17,867.58, 26,781.31 and 8,384.53 is: 12,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.58 : 26,781.31 = 8,384.53 : x
  2. Step 2: Convert to fraction form
    17,867.58/26,781.31 = 8,384.53/x
  3. Step 3: Cross multiply
    17,867.58x = 26,781.31 × 8,384.53
  4. Step 4: Simplify right side
    17,867.58x = 224,548,697.13
  5. Step 5: Solve for x
    x = 224,548,697.13/17,867.58
  6. Step 6: Final answer
    x = 12,567.38

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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.