Home / 13,470.40-20,207.73-4,108.27

Finding the Fourth Proportional to 13,470.40, 20,207.73 and 4,108.27

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Solution

The fourth proportional to 13,470.40, 20,207.73 and 4,108.27 is: 6,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.40 : 20,207.73 = 4,108.27 : x
  2. Step 2: Convert to fraction form
    13,470.40/20,207.73 = 4,108.27/x
  3. Step 3: Cross multiply
    13,470.40x = 20,207.73 × 4,108.27
  4. Step 4: Simplify right side
    13,470.40x = 83,018,810.93
  5. Step 5: Solve for x
    x = 83,018,810.93/13,470.40
  6. Step 6: Final answer
    x = 6,163.05

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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.