Home / 15,577.74-21,497.79-8,504.70

Finding the Fourth Proportional to 15,577.74, 21,497.79 and 8,504.70

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Solution

The fourth proportional to 15,577.74, 21,497.79 and 8,504.70 is: 11,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.74 : 21,497.79 = 8,504.70 : x
  2. Step 2: Convert to fraction form
    15,577.74/21,497.79 = 8,504.70/x
  3. Step 3: Cross multiply
    15,577.74x = 21,497.79 × 8,504.70
  4. Step 4: Simplify right side
    15,577.74x = 182,832,254.61
  5. Step 5: Solve for x
    x = 182,832,254.61/15,577.74
  6. Step 6: Final answer
    x = 11,736.76

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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.