Home / 18,390.22-25,374.08-10,836.86

Finding the Fourth Proportional to 18,390.22, 25,374.08 and 10,836.86

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Solution

The fourth proportional to 18,390.22, 25,374.08 and 10,836.86 is: 14,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.22 : 25,374.08 = 10,836.86 : x
  2. Step 2: Convert to fraction form
    18,390.22/25,374.08 = 10,836.86/x
  3. Step 3: Cross multiply
    18,390.22x = 25,374.08 × 10,836.86
  4. Step 4: Simplify right side
    18,390.22x = 274,975,352.59
  5. Step 5: Solve for x
    x = 274,975,352.59/18,390.22
  6. Step 6: Final answer
    x = 14,952.26

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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.