Home / 15,577.14-21,497.04-8,863.38

Finding the Fourth Proportional to 15,577.14, 21,497.04 and 8,863.38

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Solution

The fourth proportional to 15,577.14, 21,497.04 and 8,863.38 is: 12,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.14 : 21,497.04 = 8,863.38 : x
  2. Step 2: Convert to fraction form
    15,577.14/21,497.04 = 8,863.38/x
  3. Step 3: Cross multiply
    15,577.14x = 21,497.04 × 8,863.38
  4. Step 4: Simplify right side
    15,577.14x = 190,536,434.40
  5. Step 5: Solve for x
    x = 190,536,434.40/15,577.14
  6. Step 6: Final answer
    x = 12,231.80

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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.