Home / 15,577.19-21,496.96-8,504.07

Finding the Fourth Proportional to 15,577.19, 21,496.96 and 8,504.07

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Solution

The fourth proportional to 15,577.19, 21,496.96 and 8,504.07 is: 11,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.19 : 21,496.96 = 8,504.07 : x
  2. Step 2: Convert to fraction form
    15,577.19/21,496.96 = 8,504.07/x
  3. Step 3: Cross multiply
    15,577.19x = 21,496.96 × 8,504.07
  4. Step 4: Simplify right side
    15,577.19x = 182,811,582.64
  5. Step 5: Solve for x
    x = 182,811,582.64/15,577.19
  6. Step 6: Final answer
    x = 11,735.85

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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.