Home / 13,652.92-18,839.57-7,684.49

Finding the Fourth Proportional to 13,652.92, 18,839.57 and 7,684.49

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Solution

The fourth proportional to 13,652.92, 18,839.57 and 7,684.49 is: 10,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.92 : 18,839.57 = 7,684.49 : x
  2. Step 2: Convert to fraction form
    13,652.92/18,839.57 = 7,684.49/x
  3. Step 3: Cross multiply
    13,652.92x = 18,839.57 × 7,684.49
  4. Step 4: Simplify right side
    13,652.92x = 144,772,412.28
  5. Step 5: Solve for x
    x = 144,772,412.28/13,652.92
  6. Step 6: Final answer
    x = 10,603.77

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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.