Home / 17,899.71-24,699.37-9,940.86

Finding the Fourth Proportional to 17,899.71, 24,699.37 and 9,940.86

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Solution

The fourth proportional to 17,899.71, 24,699.37 and 9,940.86 is: 13,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.71 : 24,699.37 = 9,940.86 : x
  2. Step 2: Convert to fraction form
    17,899.71/24,699.37 = 9,940.86/x
  3. Step 3: Cross multiply
    17,899.71x = 24,699.37 × 9,940.86
  4. Step 4: Simplify right side
    17,899.71x = 245,532,979.26
  5. Step 5: Solve for x
    x = 245,532,979.26/17,899.71
  6. Step 6: Final answer
    x = 13,717.15

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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.