Home / 10,790.37-16,177.35-6,410.91

Finding the Fourth Proportional to 10,790.37, 16,177.35 and 6,410.91

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Solution

The fourth proportional to 10,790.37, 16,177.35 and 6,410.91 is: 9,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.37 : 16,177.35 = 6,410.91 : x
  2. Step 2: Convert to fraction form
    10,790.37/16,177.35 = 6,410.91/x
  3. Step 3: Cross multiply
    10,790.37x = 16,177.35 × 6,410.91
  4. Step 4: Simplify right side
    10,790.37x = 103,711,534.89
  5. Step 5: Solve for x
    x = 103,711,534.89/10,790.37
  6. Step 6: Final answer
    x = 9,611.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.