Home / 13,652.55-18,841.41-7,683.66

Finding the Fourth Proportional to 13,652.55, 18,841.41 and 7,683.66

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Solution

The fourth proportional to 13,652.55, 18,841.41 and 7,683.66 is: 10,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.55 : 18,841.41 = 7,683.66 : x
  2. Step 2: Convert to fraction form
    13,652.55/18,841.41 = 7,683.66/x
  3. Step 3: Cross multiply
    13,652.55x = 18,841.41 × 7,683.66
  4. Step 4: Simplify right side
    13,652.55x = 144,770,988.36
  5. Step 5: Solve for x
    x = 144,770,988.36/13,652.55
  6. Step 6: Final answer
    x = 10,603.95

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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.