Home / 13,131.72-19,697.58-5,334.93

Finding the Fourth Proportional to 13,131.72, 19,697.58 and 5,334.93

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Solution

The fourth proportional to 13,131.72, 19,697.58 and 5,334.93 is: 8,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.72 : 19,697.58 = 5,334.93 : x
  2. Step 2: Convert to fraction form
    13,131.72/19,697.58 = 5,334.93/x
  3. Step 3: Cross multiply
    13,131.72x = 19,697.58 × 5,334.93
  4. Step 4: Simplify right side
    13,131.72x = 105,085,210.47
  5. Step 5: Solve for x
    x = 105,085,210.47/13,131.72
  6. Step 6: Final answer
    x = 8,002.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.