Home / 16,389.92-22,611.65-10,091.36

Finding the Fourth Proportional to 16,389.92, 22,611.65 and 10,091.36

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Solution

The fourth proportional to 16,389.92, 22,611.65 and 10,091.36 is: 13,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.92 : 22,611.65 = 10,091.36 : x
  2. Step 2: Convert to fraction form
    16,389.92/22,611.65 = 10,091.36/x
  3. Step 3: Cross multiply
    16,389.92x = 22,611.65 × 10,091.36
  4. Step 4: Simplify right side
    16,389.92x = 228,182,136.83
  5. Step 5: Solve for x
    x = 228,182,136.83/16,389.92
  6. Step 6: Final answer
    x = 13,922.11

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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.