Home / 17,867.58-24,673.86-11,505.21

Finding the Fourth Proportional to 17,867.58, 24,673.86 and 11,505.21

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Solution

The fourth proportional to 17,867.58, 24,673.86 and 11,505.21 is: 15,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.58 : 24,673.86 = 11,505.21 : x
  2. Step 2: Convert to fraction form
    17,867.58/24,673.86 = 11,505.21/x
  3. Step 3: Cross multiply
    17,867.58x = 24,673.86 × 11,505.21
  4. Step 4: Simplify right side
    17,867.58x = 283,877,940.81
  5. Step 5: Solve for x
    x = 283,877,940.81/17,867.58
  6. Step 6: Final answer
    x = 15,887.88

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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.