Home / 17,867.20-26,749.60-10,955.20

Finding the Fourth Proportional to 17,867.20, 26,749.60 and 10,955.20

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Solution

The fourth proportional to 17,867.20, 26,749.60 and 10,955.20 is: 16,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.20 : 26,749.60 = 10,955.20 : x
  2. Step 2: Convert to fraction form
    17,867.20/26,749.60 = 10,955.20/x
  3. Step 3: Cross multiply
    17,867.20x = 26,749.60 × 10,955.20
  4. Step 4: Simplify right side
    17,867.20x = 293,047,217.92
  5. Step 5: Solve for x
    x = 293,047,217.92/17,867.20
  6. Step 6: Final answer
    x = 16,401.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.