Home / 17,281.95-23,846.97-11,978.47

Finding the Fourth Proportional to 17,281.95, 23,846.97 and 11,978.47

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Solution

The fourth proportional to 17,281.95, 23,846.97 and 11,978.47 is: 16,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.95 : 23,846.97 = 11,978.47 : x
  2. Step 2: Convert to fraction form
    17,281.95/23,846.97 = 11,978.47/x
  3. Step 3: Cross multiply
    17,281.95x = 23,846.97 × 11,978.47
  4. Step 4: Simplify right side
    17,281.95x = 285,650,214.74
  5. Step 5: Solve for x
    x = 285,650,214.74/17,281.95
  6. Step 6: Final answer
    x = 16,528.82

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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.