Home / 15,651.41-21,598.23-8,577.68

Finding the Fourth Proportional to 15,651.41, 21,598.23 and 8,577.68

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Solution

The fourth proportional to 15,651.41, 21,598.23 and 8,577.68 is: 11,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.41 : 21,598.23 = 8,577.68 : x
  2. Step 2: Convert to fraction form
    15,651.41/21,598.23 = 8,577.68/x
  3. Step 3: Cross multiply
    15,651.41x = 21,598.23 × 8,577.68
  4. Step 4: Simplify right side
    15,651.41x = 185,262,759.50
  5. Step 5: Solve for x
    x = 185,262,759.50/15,651.41
  6. Step 6: Final answer
    x = 11,836.81

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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.