Home / 19,332.78-28,996.47-6,186.30

Finding the Fourth Proportional to 19,332.78, 28,996.47 and 6,186.30

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Solution

The fourth proportional to 19,332.78, 28,996.47 and 6,186.30 is: 9,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.78 : 28,996.47 = 6,186.30 : x
  2. Step 2: Convert to fraction form
    19,332.78/28,996.47 = 6,186.30/x
  3. Step 3: Cross multiply
    19,332.78x = 28,996.47 × 6,186.30
  4. Step 4: Simplify right side
    19,332.78x = 179,380,862.36
  5. Step 5: Solve for x
    x = 179,380,862.36/19,332.78
  6. Step 6: Final answer
    x = 9,278.59

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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.