Home / 11,826.77-16,320.57-6,521.81

Finding the Fourth Proportional to 11,826.77, 16,320.57 and 6,521.81

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Solution

The fourth proportional to 11,826.77, 16,320.57 and 6,521.81 is: 8,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.77 : 16,320.57 = 6,521.81 : x
  2. Step 2: Convert to fraction form
    11,826.77/16,320.57 = 6,521.81/x
  3. Step 3: Cross multiply
    11,826.77x = 16,320.57 × 6,521.81
  4. Step 4: Simplify right side
    11,826.77x = 106,439,656.63
  5. Step 5: Solve for x
    x = 106,439,656.63/11,826.77
  6. Step 6: Final answer
    x = 8,999.89

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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.