Home / 11,078.81-15,288.80-6,042.99

Finding the Fourth Proportional to 11,078.81, 15,288.80 and 6,042.99

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Solution

The fourth proportional to 11,078.81, 15,288.80 and 6,042.99 is: 8,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.81 : 15,288.80 = 6,042.99 : x
  2. Step 2: Convert to fraction form
    11,078.81/15,288.80 = 6,042.99/x
  3. Step 3: Cross multiply
    11,078.81x = 15,288.80 × 6,042.99
  4. Step 4: Simplify right side
    11,078.81x = 92,390,035.30
  5. Step 5: Solve for x
    x = 92,390,035.30/11,078.81
  6. Step 6: Final answer
    x = 8,339.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.