Home / 10,575.63-15,859.67-3,557.39

Finding the Fourth Proportional to 10,575.63, 15,859.67 and 3,557.39

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Solution

The fourth proportional to 10,575.63, 15,859.67 and 3,557.39 is: 5,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.63 : 15,859.67 = 3,557.39 : x
  2. Step 2: Convert to fraction form
    10,575.63/15,859.67 = 3,557.39/x
  3. Step 3: Cross multiply
    10,575.63x = 15,859.67 × 3,557.39
  4. Step 4: Simplify right side
    10,575.63x = 56,418,934.38
  5. Step 5: Solve for x
    x = 56,418,934.38/10,575.63
  6. Step 6: Final answer
    x = 5,334.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.