Home / 10,559.90-15,837.89-3,894.95

Finding the Fourth Proportional to 10,559.90, 15,837.89 and 3,894.95

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Solution

The fourth proportional to 10,559.90, 15,837.89 and 3,894.95 is: 5,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.90 : 15,837.89 = 3,894.95 : x
  2. Step 2: Convert to fraction form
    10,559.90/15,837.89 = 3,894.95/x
  3. Step 3: Cross multiply
    10,559.90x = 15,837.89 × 3,894.95
  4. Step 4: Simplify right side
    10,559.90x = 61,687,690.99
  5. Step 5: Solve for x
    x = 61,687,690.99/10,559.90
  6. Step 6: Final answer
    x = 5,841.70

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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.