Home / 11,416.63-17,130.07-7,255.56

Finding the Fourth Proportional to 11,416.63, 17,130.07 and 7,255.56

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Solution

The fourth proportional to 11,416.63, 17,130.07 and 7,255.56 is: 10,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.63 : 17,130.07 = 7,255.56 : x
  2. Step 2: Convert to fraction form
    11,416.63/17,130.07 = 7,255.56/x
  3. Step 3: Cross multiply
    11,416.63x = 17,130.07 × 7,255.56
  4. Step 4: Simplify right side
    11,416.63x = 124,288,165.04
  5. Step 5: Solve for x
    x = 124,288,165.04/11,416.63
  6. Step 6: Final answer
    x = 10,886.59

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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.