Home / 18,864.52-28,293.73-6,384.31

Finding the Fourth Proportional to 18,864.52, 28,293.73 and 6,384.31

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Solution

The fourth proportional to 18,864.52, 28,293.73 and 6,384.31 is: 9,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.52 : 28,293.73 = 6,384.31 : x
  2. Step 2: Convert to fraction form
    18,864.52/28,293.73 = 6,384.31/x
  3. Step 3: Cross multiply
    18,864.52x = 28,293.73 × 6,384.31
  4. Step 4: Simplify right side
    18,864.52x = 180,635,943.38
  5. Step 5: Solve for x
    x = 180,635,943.38/18,864.52
  6. Step 6: Final answer
    x = 9,575.43

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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.