Home / 18,293.09-25,244.42-9,909.59

Finding the Fourth Proportional to 18,293.09, 25,244.42 and 9,909.59

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Solution

The fourth proportional to 18,293.09, 25,244.42 and 9,909.59 is: 13,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.09 : 25,244.42 = 9,909.59 : x
  2. Step 2: Convert to fraction form
    18,293.09/25,244.42 = 9,909.59/x
  3. Step 3: Cross multiply
    18,293.09x = 25,244.42 × 9,909.59
  4. Step 4: Simplify right side
    18,293.09x = 250,161,676.22
  5. Step 5: Solve for x
    x = 250,161,676.22/18,293.09
  6. Step 6: Final answer
    x = 13,675.20

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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.