Home / 13,746.24-20,600.16-6,813.76

Finding the Fourth Proportional to 13,746.24, 20,600.16 and 6,813.76

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Solution

The fourth proportional to 13,746.24, 20,600.16 and 6,813.76 is: 10,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.24 : 20,600.16 = 6,813.76 : x
  2. Step 2: Convert to fraction form
    13,746.24/20,600.16 = 6,813.76/x
  3. Step 3: Cross multiply
    13,746.24x = 20,600.16 × 6,813.76
  4. Step 4: Simplify right side
    13,746.24x = 140,364,546.20
  5. Step 5: Solve for x
    x = 140,364,546.20/13,746.24
  6. Step 6: Final answer
    x = 10,211.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.