Home / 13,317.53-18,378.24-7,349.37

Finding the Fourth Proportional to 13,317.53, 18,378.24 and 7,349.37

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Solution

The fourth proportional to 13,317.53, 18,378.24 and 7,349.37 is: 10,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.53 : 18,378.24 = 7,349.37 : x
  2. Step 2: Convert to fraction form
    13,317.53/18,378.24 = 7,349.37/x
  3. Step 3: Cross multiply
    13,317.53x = 18,378.24 × 7,349.37
  4. Step 4: Simplify right side
    13,317.53x = 135,068,485.71
  5. Step 5: Solve for x
    x = 135,068,485.71/13,317.53
  6. Step 6: Final answer
    x = 10,142.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.