Home / 13,317.40-18,377.22-7,349.63

Finding the Fourth Proportional to 13,317.40, 18,377.22 and 7,349.63

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Solution

The fourth proportional to 13,317.40, 18,377.22 and 7,349.63 is: 10,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.40 : 18,377.22 = 7,349.63 : x
  2. Step 2: Convert to fraction form
    13,317.40/18,377.22 = 7,349.63/x
  3. Step 3: Cross multiply
    13,317.40x = 18,377.22 × 7,349.63
  4. Step 4: Simplify right side
    13,317.40x = 135,065,767.43
  5. Step 5: Solve for x
    x = 135,065,767.43/13,317.40
  6. Step 6: Final answer
    x = 10,142.05

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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.