Home / 18,217.92-25,140.87-10,259.40

Finding the Fourth Proportional to 18,217.92, 25,140.87 and 10,259.40

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Solution

The fourth proportional to 18,217.92, 25,140.87 and 10,259.40 is: 14,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.92 : 25,140.87 = 10,259.40 : x
  2. Step 2: Convert to fraction form
    18,217.92/25,140.87 = 10,259.40/x
  3. Step 3: Cross multiply
    18,217.92x = 25,140.87 × 10,259.40
  4. Step 4: Simplify right side
    18,217.92x = 257,930,241.68
  5. Step 5: Solve for x
    x = 257,930,241.68/18,217.92
  6. Step 6: Final answer
    x = 14,158.05

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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.