Home / 10,784.96-16,177.45-3,390.07

Finding the Fourth Proportional to 10,784.96, 16,177.45 and 3,390.07

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Solution

The fourth proportional to 10,784.96, 16,177.45 and 3,390.07 is: 5,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.96 : 16,177.45 = 3,390.07 : x
  2. Step 2: Convert to fraction form
    10,784.96/16,177.45 = 3,390.07/x
  3. Step 3: Cross multiply
    10,784.96x = 16,177.45 × 3,390.07
  4. Step 4: Simplify right side
    10,784.96x = 54,842,611.27
  5. Step 5: Solve for x
    x = 54,842,611.27/10,784.96
  6. Step 6: Final answer
    x = 5,085.10

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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.