Home / 15,292.28-21,102.96-8,577.36

Finding the Fourth Proportional to 15,292.28, 21,102.96 and 8,577.36

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Solution

The fourth proportional to 15,292.28, 21,102.96 and 8,577.36 is: 11,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.28 : 21,102.96 = 8,577.36 : x
  2. Step 2: Convert to fraction form
    15,292.28/21,102.96 = 8,577.36/x
  3. Step 3: Cross multiply
    15,292.28x = 21,102.96 × 8,577.36
  4. Step 4: Simplify right side
    15,292.28x = 181,007,684.99
  5. Step 5: Solve for x
    x = 181,007,684.99/15,292.28
  6. Step 6: Final answer
    x = 11,836.54

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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.