Home / 13,512.54-18,646.44-7,543.04

Finding the Fourth Proportional to 13,512.54, 18,646.44 and 7,543.04

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Solution

The fourth proportional to 13,512.54, 18,646.44 and 7,543.04 is: 10,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.54 : 18,646.44 = 7,543.04 : x
  2. Step 2: Convert to fraction form
    13,512.54/18,646.44 = 7,543.04/x
  3. Step 3: Cross multiply
    13,512.54x = 18,646.44 × 7,543.04
  4. Step 4: Simplify right side
    13,512.54x = 140,650,749.55
  5. Step 5: Solve for x
    x = 140,650,749.55/13,512.54
  6. Step 6: Final answer
    x = 10,408.91

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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.