Home / 15,341.52-21,169.94-8,625

Finding the Fourth Proportional to 15,341.52, 21,169.94 and 8,625

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Solution

The fourth proportional to 15,341.52, 21,169.94 and 8,625 is: 11,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.52 : 21,169.94 = 8,625 : x
  2. Step 2: Convert to fraction form
    15,341.52/21,169.94 = 8,625/x
  3. Step 3: Cross multiply
    15,341.52x = 21,169.94 × 8,625
  4. Step 4: Simplify right side
    15,341.52x = 182,590,732.50
  5. Step 5: Solve for x
    x = 182,590,732.50/15,341.52
  6. Step 6: Final answer
    x = 11,901.74

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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.