Home / 15,577.47-21,496.86-8,863.11

Finding the Fourth Proportional to 15,577.47, 21,496.86 and 8,863.11

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Solution

The fourth proportional to 15,577.47, 21,496.86 and 8,863.11 is: 12,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.47 : 21,496.86 = 8,863.11 : x
  2. Step 2: Convert to fraction form
    15,577.47/21,496.86 = 8,863.11/x
  3. Step 3: Cross multiply
    15,577.47x = 21,496.86 × 8,863.11
  4. Step 4: Simplify right side
    15,577.47x = 190,529,034.83
  5. Step 5: Solve for x
    x = 190,529,034.83/15,577.47
  6. Step 6: Final answer
    x = 12,231.06

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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.