Home / 10,031.79-13,843.68-5,555.52

Finding the Fourth Proportional to 10,031.79, 13,843.68 and 5,555.52

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Solution

The fourth proportional to 10,031.79, 13,843.68 and 5,555.52 is: 7,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.79 : 13,843.68 = 5,555.52 : x
  2. Step 2: Convert to fraction form
    10,031.79/13,843.68 = 5,555.52/x
  3. Step 3: Cross multiply
    10,031.79x = 13,843.68 × 5,555.52
  4. Step 4: Simplify right side
    10,031.79x = 76,908,841.11
  5. Step 5: Solve for x
    x = 76,908,841.11/10,031.79
  6. Step 6: Final answer
    x = 7,666.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.