Home / 17,475.48-26,213.30-7,478.76

Finding the Fourth Proportional to 17,475.48, 26,213.30 and 7,478.76

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Solution

The fourth proportional to 17,475.48, 26,213.30 and 7,478.76 is: 11,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,475.48 : 26,213.30 = 7,478.76 : x
  2. Step 2: Convert to fraction form
    17,475.48/26,213.30 = 7,478.76/x
  3. Step 3: Cross multiply
    17,475.48x = 26,213.30 × 7,478.76
  4. Step 4: Simplify right side
    17,475.48x = 196,042,987.72
  5. Step 5: Solve for x
    x = 196,042,987.72/17,475.48
  6. Step 6: Final answer
    x = 11,218.18

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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.