Home / 13,297.61-18,350.75-7,329.15

Finding the Fourth Proportional to 13,297.61, 18,350.75 and 7,329.15

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Solution

The fourth proportional to 13,297.61, 18,350.75 and 7,329.15 is: 10,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.61 : 18,350.75 = 7,329.15 : x
  2. Step 2: Convert to fraction form
    13,297.61/18,350.75 = 7,329.15/x
  3. Step 3: Cross multiply
    13,297.61x = 18,350.75 × 7,329.15
  4. Step 4: Simplify right side
    13,297.61x = 134,495,340.27
  5. Step 5: Solve for x
    x = 134,495,340.27/13,297.61
  6. Step 6: Final answer
    x = 10,114.25

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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.