Home / 11,470.08-15,827.78-6,365.76

Finding the Fourth Proportional to 11,470.08, 15,827.78 and 6,365.76

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Solution

The fourth proportional to 11,470.08, 15,827.78 and 6,365.76 is: 8,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.08 : 15,827.78 = 6,365.76 : x
  2. Step 2: Convert to fraction form
    11,470.08/15,827.78 = 6,365.76/x
  3. Step 3: Cross multiply
    11,470.08x = 15,827.78 × 6,365.76
  4. Step 4: Simplify right side
    11,470.08x = 100,755,848.81
  5. Step 5: Solve for x
    x = 100,755,848.81/11,470.08
  6. Step 6: Final answer
    x = 8,784.23

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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.