Home / 13,317.53-19,971.11-4,993.01

Finding the Fourth Proportional to 13,317.53, 19,971.11 and 4,993.01

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Solution

The fourth proportional to 13,317.53, 19,971.11 and 4,993.01 is: 7,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.53 : 19,971.11 = 4,993.01 : x
  2. Step 2: Convert to fraction form
    13,317.53/19,971.11 = 4,993.01/x
  3. Step 3: Cross multiply
    13,317.53x = 19,971.11 × 4,993.01
  4. Step 4: Simplify right side
    13,317.53x = 99,715,864.57
  5. Step 5: Solve for x
    x = 99,715,864.57/13,317.53
  6. Step 6: Final answer
    x = 7,487.56

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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.