Home / 13,376.40-20,064.66-5,483.22

Finding the Fourth Proportional to 13,376.40, 20,064.66 and 5,483.22

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Solution

The fourth proportional to 13,376.40, 20,064.66 and 5,483.22 is: 8,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.40 : 20,064.66 = 5,483.22 : x
  2. Step 2: Convert to fraction form
    13,376.40/20,064.66 = 5,483.22/x
  3. Step 3: Cross multiply
    13,376.40x = 20,064.66 × 5,483.22
  4. Step 4: Simplify right side
    13,376.40x = 110,018,945.01
  5. Step 5: Solve for x
    x = 110,018,945.01/13,376.40
  6. Step 6: Final answer
    x = 8,224.85

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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.