Home / 11,786.19-16,264.95-6,480.99

Finding the Fourth Proportional to 11,786.19, 16,264.95 and 6,480.99

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Solution

The fourth proportional to 11,786.19, 16,264.95 and 6,480.99 is: 8,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.19 : 16,264.95 = 6,480.99 : x
  2. Step 2: Convert to fraction form
    11,786.19/16,264.95 = 6,480.99/x
  3. Step 3: Cross multiply
    11,786.19x = 16,264.95 × 6,480.99
  4. Step 4: Simplify right side
    11,786.19x = 105,412,978.30
  5. Step 5: Solve for x
    x = 105,412,978.30/11,786.19
  6. Step 6: Final answer
    x = 8,943.77

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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.