Home / 11,782.61-16,260.12-6,477.47

Finding the Fourth Proportional to 11,782.61, 16,260.12 and 6,477.47

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Solution

The fourth proportional to 11,782.61, 16,260.12 and 6,477.47 is: 8,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.61 : 16,260.12 = 6,477.47 : x
  2. Step 2: Convert to fraction form
    11,782.61/16,260.12 = 6,477.47/x
  3. Step 3: Cross multiply
    11,782.61x = 16,260.12 × 6,477.47
  4. Step 4: Simplify right side
    11,782.61x = 105,324,400.95
  5. Step 5: Solve for x
    x = 105,324,400.95/11,782.61
  6. Step 6: Final answer
    x = 8,938.97

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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.