Home / 11,602.38-17,406.81-4,578.06

Finding the Fourth Proportional to 11,602.38, 17,406.81 and 4,578.06

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Solution

The fourth proportional to 11,602.38, 17,406.81 and 4,578.06 is: 6,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.38 : 17,406.81 = 4,578.06 : x
  2. Step 2: Convert to fraction form
    11,602.38/17,406.81 = 4,578.06/x
  3. Step 3: Cross multiply
    11,602.38x = 17,406.81 × 4,578.06
  4. Step 4: Simplify right side
    11,602.38x = 79,689,420.59
  5. Step 5: Solve for x
    x = 79,689,420.59/11,602.38
  6. Step 6: Final answer
    x = 6,868.37

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1.5x scale

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.