Home / 13,793.51-20,664.23-8,154.33

Finding the Fourth Proportional to 13,793.51, 20,664.23 and 8,154.33

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Solution

The fourth proportional to 13,793.51, 20,664.23 and 8,154.33 is: 12,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.51 : 20,664.23 = 8,154.33 : x
  2. Step 2: Convert to fraction form
    13,793.51/20,664.23 = 8,154.33/x
  3. Step 3: Cross multiply
    13,793.51x = 20,664.23 × 8,154.33
  4. Step 4: Simplify right side
    13,793.51x = 168,502,909.84
  5. Step 5: Solve for x
    x = 168,502,909.84/13,793.51
  6. Step 6: Final answer
    x = 12,216.11

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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.