Home / 13,281.15-19,921.67-6,334.59

Finding the Fourth Proportional to 13,281.15, 19,921.67 and 6,334.59

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Solution

The fourth proportional to 13,281.15, 19,921.67 and 6,334.59 is: 9,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.15 : 19,921.67 = 6,334.59 : x
  2. Step 2: Convert to fraction form
    13,281.15/19,921.67 = 6,334.59/x
  3. Step 3: Cross multiply
    13,281.15x = 19,921.67 × 6,334.59
  4. Step 4: Simplify right side
    13,281.15x = 126,195,579.89
  5. Step 5: Solve for x
    x = 126,195,579.89/13,281.15
  6. Step 6: Final answer
    x = 9,501.86

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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.