Home / 10,008.09-13,811.76-5,531.74

Finding the Fourth Proportional to 10,008.09, 13,811.76 and 5,531.74

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Solution

The fourth proportional to 10,008.09, 13,811.76 and 5,531.74 is: 7,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.09 : 13,811.76 = 5,531.74 : x
  2. Step 2: Convert to fraction form
    10,008.09/13,811.76 = 5,531.74/x
  3. Step 3: Cross multiply
    10,008.09x = 13,811.76 × 5,531.74
  4. Step 4: Simplify right side
    10,008.09x = 76,403,104.53
  5. Step 5: Solve for x
    x = 76,403,104.53/10,008.09
  6. Step 6: Final answer
    x = 7,634.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.