Home / 13,297.99-18,350.40-7,329.71

Finding the Fourth Proportional to 13,297.99, 18,350.40 and 7,329.71

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Solution

The fourth proportional to 13,297.99, 18,350.40 and 7,329.71 is: 10,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.99 : 18,350.40 = 7,329.71 : x
  2. Step 2: Convert to fraction form
    13,297.99/18,350.40 = 7,329.71/x
  3. Step 3: Cross multiply
    13,297.99x = 18,350.40 × 7,329.71
  4. Step 4: Simplify right side
    13,297.99x = 134,502,981.98
  5. Step 5: Solve for x
    x = 134,502,981.98/13,297.99
  6. Step 6: Final answer
    x = 10,114.54

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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.