Home / 13,363.27-18,435.33-7,696.53

Finding the Fourth Proportional to 13,363.27, 18,435.33 and 7,696.53

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Solution

The fourth proportional to 13,363.27, 18,435.33 and 7,696.53 is: 10,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.27 : 18,435.33 = 7,696.53 : x
  2. Step 2: Convert to fraction form
    13,363.27/18,435.33 = 7,696.53/x
  3. Step 3: Cross multiply
    13,363.27x = 18,435.33 × 7,696.53
  4. Step 4: Simplify right side
    13,363.27x = 141,888,070.40
  5. Step 5: Solve for x
    x = 141,888,070.40/13,363.27
  6. Step 6: Final answer
    x = 10,617.77

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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.