Home / 11,509.48-17,261.65-4,489.68

Finding the Fourth Proportional to 11,509.48, 17,261.65 and 4,489.68

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Solution

The fourth proportional to 11,509.48, 17,261.65 and 4,489.68 is: 6,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.48 : 17,261.65 = 4,489.68 : x
  2. Step 2: Convert to fraction form
    11,509.48/17,261.65 = 4,489.68/x
  3. Step 3: Cross multiply
    11,509.48x = 17,261.65 × 4,489.68
  4. Step 4: Simplify right side
    11,509.48x = 77,499,284.77
  5. Step 5: Solve for x
    x = 77,499,284.77/11,509.48
  6. Step 6: Final answer
    x = 6,733.52

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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.