Home / 19,331.55-28,983.14-6,176.34

Finding the Fourth Proportional to 19,331.55, 28,983.14 and 6,176.34

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Solution

The fourth proportional to 19,331.55, 28,983.14 and 6,176.34 is: 9,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.55 : 28,983.14 = 6,176.34 : x
  2. Step 2: Convert to fraction form
    19,331.55/28,983.14 = 6,176.34/x
  3. Step 3: Cross multiply
    19,331.55x = 28,983.14 × 6,176.34
  4. Step 4: Simplify right side
    19,331.55x = 179,009,696.03
  5. Step 5: Solve for x
    x = 179,009,696.03/19,331.55
  6. Step 6: Final answer
    x = 9,259.98

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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.