Home / 13,570.91-20,365.98-6,176.32

Finding the Fourth Proportional to 13,570.91, 20,365.98 and 6,176.32

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Solution

The fourth proportional to 13,570.91, 20,365.98 and 6,176.32 is: 9,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.91 : 20,365.98 = 6,176.32 : x
  2. Step 2: Convert to fraction form
    13,570.91/20,365.98 = 6,176.32/x
  3. Step 3: Cross multiply
    13,570.91x = 20,365.98 × 6,176.32
  4. Step 4: Simplify right side
    13,570.91x = 125,786,809.59
  5. Step 5: Solve for x
    x = 125,786,809.59/13,570.91
  6. Step 6: Final answer
    x = 9,268.86

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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.