Home / 13,570.60-20,349.52-5,254.56

Finding the Fourth Proportional to 13,570.60, 20,349.52 and 5,254.56

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Solution

The fourth proportional to 13,570.60, 20,349.52 and 5,254.56 is: 7,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.60 : 20,349.52 = 5,254.56 : x
  2. Step 2: Convert to fraction form
    13,570.60/20,349.52 = 5,254.56/x
  3. Step 3: Cross multiply
    13,570.60x = 20,349.52 × 5,254.56
  4. Step 4: Simplify right side
    13,570.60x = 106,927,773.81
  5. Step 5: Solve for x
    x = 106,927,773.81/13,570.60
  6. Step 6: Final answer
    x = 7,879.37

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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.