Home / 15,578.35-21,498.02-8,504.77

Finding the Fourth Proportional to 15,578.35, 21,498.02 and 8,504.77

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Solution

The fourth proportional to 15,578.35, 21,498.02 and 8,504.77 is: 11,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.35 : 21,498.02 = 8,504.77 : x
  2. Step 2: Convert to fraction form
    15,578.35/21,498.02 = 8,504.77/x
  3. Step 3: Cross multiply
    15,578.35x = 21,498.02 × 8,504.77
  4. Step 4: Simplify right side
    15,578.35x = 182,835,773.38
  5. Step 5: Solve for x
    x = 182,835,773.38/15,578.35
  6. Step 6: Final answer
    x = 11,736.53

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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.