Home / 12,775.96-19,138.02-6,607

Finding the Fourth Proportional to 12,775.96, 19,138.02 and 6,607

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Solution

The fourth proportional to 12,775.96, 19,138.02 and 6,607 is: 9,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.96 : 19,138.02 = 6,607 : x
  2. Step 2: Convert to fraction form
    12,775.96/19,138.02 = 6,607/x
  3. Step 3: Cross multiply
    12,775.96x = 19,138.02 × 6,607
  4. Step 4: Simplify right side
    12,775.96x = 126,444,898.14
  5. Step 5: Solve for x
    x = 126,444,898.14/12,775.96
  6. Step 6: Final answer
    x = 9,897.10

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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.