Home / 19,775.10-29,632.14-13,177.38

Finding the Fourth Proportional to 19,775.10, 29,632.14 and 13,177.38

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Solution

The fourth proportional to 19,775.10, 29,632.14 and 13,177.38 is: 19,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.10 : 29,632.14 = 13,177.38 : x
  2. Step 2: Convert to fraction form
    19,775.10/29,632.14 = 13,177.38/x
  3. Step 3: Cross multiply
    19,775.10x = 29,632.14 × 13,177.38
  4. Step 4: Simplify right side
    19,775.10x = 390,473,968.99
  5. Step 5: Solve for x
    x = 390,473,968.99/19,775.10
  6. Step 6: Final answer
    x = 19,745.74

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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.