Home / 18,293.08-25,244.46-9,909.58

Finding the Fourth Proportional to 18,293.08, 25,244.46 and 9,909.58

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Solution

The fourth proportional to 18,293.08, 25,244.46 and 9,909.58 is: 13,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.08 : 25,244.46 = 9,909.58 : x
  2. Step 2: Convert to fraction form
    18,293.08/25,244.46 = 9,909.58/x
  3. Step 3: Cross multiply
    18,293.08x = 25,244.46 × 9,909.58
  4. Step 4: Simplify right side
    18,293.08x = 250,161,995.93
  5. Step 5: Solve for x
    x = 250,161,995.93/18,293.08
  6. Step 6: Final answer
    x = 13,675.23

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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.