Home / 17,859.36-26,785.20-11,276.76

Finding the Fourth Proportional to 17,859.36, 26,785.20 and 11,276.76

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Solution

The fourth proportional to 17,859.36, 26,785.20 and 11,276.76 is: 16,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.36 : 26,785.20 = 11,276.76 : x
  2. Step 2: Convert to fraction form
    17,859.36/26,785.20 = 11,276.76/x
  3. Step 3: Cross multiply
    17,859.36x = 26,785.20 × 11,276.76
  4. Step 4: Simplify right side
    17,859.36x = 302,050,271.95
  5. Step 5: Solve for x
    x = 302,050,271.95/17,859.36
  6. Step 6: Final answer
    x = 16,912.72

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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.