Home / 13,720.96-20,582.70-6,327.46

Finding the Fourth Proportional to 13,720.96, 20,582.70 and 6,327.46

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Solution

The fourth proportional to 13,720.96, 20,582.70 and 6,327.46 is: 9,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.96 : 20,582.70 = 6,327.46 : x
  2. Step 2: Convert to fraction form
    13,720.96/20,582.70 = 6,327.46/x
  3. Step 3: Cross multiply
    13,720.96x = 20,582.70 × 6,327.46
  4. Step 4: Simplify right side
    13,720.96x = 130,236,210.94
  5. Step 5: Solve for x
    x = 130,236,210.94/13,720.96
  6. Step 6: Final answer
    x = 9,491.77

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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.