Home / 16,145.26-22,280.66-9,771.77

Finding the Fourth Proportional to 16,145.26, 22,280.66 and 9,771.77

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Solution

The fourth proportional to 16,145.26, 22,280.66 and 9,771.77 is: 13,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.26 : 22,280.66 = 9,771.77 : x
  2. Step 2: Convert to fraction form
    16,145.26/22,280.66 = 9,771.77/x
  3. Step 3: Cross multiply
    16,145.26x = 22,280.66 × 9,771.77
  4. Step 4: Simplify right side
    16,145.26x = 217,721,484.97
  5. Step 5: Solve for x
    x = 217,721,484.97/16,145.26
  6. Step 6: Final answer
    x = 13,485.16

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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.