Home / 11,845.61-16,346.95-6,540.45

Finding the Fourth Proportional to 11,845.61, 16,346.95 and 6,540.45

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Solution

The fourth proportional to 11,845.61, 16,346.95 and 6,540.45 is: 9,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.61 : 16,346.95 = 6,540.45 : x
  2. Step 2: Convert to fraction form
    11,845.61/16,346.95 = 6,540.45/x
  3. Step 3: Cross multiply
    11,845.61x = 16,346.95 × 6,540.45
  4. Step 4: Simplify right side
    11,845.61x = 106,916,331.48
  5. Step 5: Solve for x
    x = 106,916,331.48/11,845.61
  6. Step 6: Final answer
    x = 9,025.82

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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.