Home / 10,654.74-15,977.25-6,900.39

Finding the Fourth Proportional to 10,654.74, 15,977.25 and 6,900.39

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Solution

The fourth proportional to 10,654.74, 15,977.25 and 6,900.39 is: 10,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.74 : 15,977.25 = 6,900.39 : x
  2. Step 2: Convert to fraction form
    10,654.74/15,977.25 = 6,900.39/x
  3. Step 3: Cross multiply
    10,654.74x = 15,977.25 × 6,900.39
  4. Step 4: Simplify right side
    10,654.74x = 110,249,256.13
  5. Step 5: Solve for x
    x = 110,249,256.13/10,654.74
  6. Step 6: Final answer
    x = 10,347.44

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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.