Home / 11,685.03-16,127.42-6,904.77

Finding the Fourth Proportional to 11,685.03, 16,127.42 and 6,904.77

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Solution

The fourth proportional to 11,685.03, 16,127.42 and 6,904.77 is: 9,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.03 : 16,127.42 = 6,904.77 : x
  2. Step 2: Convert to fraction form
    11,685.03/16,127.42 = 6,904.77/x
  3. Step 3: Cross multiply
    11,685.03x = 16,127.42 × 6,904.77
  4. Step 4: Simplify right side
    11,685.03x = 111,356,125.79
  5. Step 5: Solve for x
    x = 111,356,125.79/11,685.03
  6. Step 6: Final answer
    x = 9,529.81

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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.