Home / 13,337.09-20,005.18-6,320.46

Finding the Fourth Proportional to 13,337.09, 20,005.18 and 6,320.46

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Solution

The fourth proportional to 13,337.09, 20,005.18 and 6,320.46 is: 9,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.09 : 20,005.18 = 6,320.46 : x
  2. Step 2: Convert to fraction form
    13,337.09/20,005.18 = 6,320.46/x
  3. Step 3: Cross multiply
    13,337.09x = 20,005.18 × 6,320.46
  4. Step 4: Simplify right side
    13,337.09x = 126,441,999.20
  5. Step 5: Solve for x
    x = 126,441,999.20/13,337.09
  6. Step 6: Final answer
    x = 9,480.48

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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.