Home / 11,827.09-16,320.13-6,521.59

Finding the Fourth Proportional to 11,827.09, 16,320.13 and 6,521.59

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Solution

The fourth proportional to 11,827.09, 16,320.13 and 6,521.59 is: 8,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.09 : 16,320.13 = 6,521.59 : x
  2. Step 2: Convert to fraction form
    11,827.09/16,320.13 = 6,521.59/x
  3. Step 3: Cross multiply
    11,827.09x = 16,320.13 × 6,521.59
  4. Step 4: Simplify right side
    11,827.09x = 106,433,196.61
  5. Step 5: Solve for x
    x = 106,433,196.61/11,827.09
  6. Step 6: Final answer
    x = 8,999.10

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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.