Home / 18,266.45-25,208.48-10,308.74

Finding the Fourth Proportional to 18,266.45, 25,208.48 and 10,308.74

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Solution

The fourth proportional to 18,266.45, 25,208.48 and 10,308.74 is: 14,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.45 : 25,208.48 = 10,308.74 : x
  2. Step 2: Convert to fraction form
    18,266.45/25,208.48 = 10,308.74/x
  3. Step 3: Cross multiply
    18,266.45x = 25,208.48 × 10,308.74
  4. Step 4: Simplify right side
    18,266.45x = 259,867,565.84
  5. Step 5: Solve for x
    x = 259,867,565.84/18,266.45
  6. Step 6: Final answer
    x = 14,226.50

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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.