Home / 15,577.27-21,496.52-8,503.69

Finding the Fourth Proportional to 15,577.27, 21,496.52 and 8,503.69

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Solution

The fourth proportional to 15,577.27, 21,496.52 and 8,503.69 is: 11,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.27 : 21,496.52 = 8,503.69 : x
  2. Step 2: Convert to fraction form
    15,577.27/21,496.52 = 8,503.69/x
  3. Step 3: Cross multiply
    15,577.27x = 21,496.52 × 8,503.69
  4. Step 4: Simplify right side
    15,577.27x = 182,799,742.16
  5. Step 5: Solve for x
    x = 182,799,742.16/15,577.27
  6. Step 6: Final answer
    x = 11,735.03

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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.