Home / 13,810.08-20,696.60-7,560.68

Finding the Fourth Proportional to 13,810.08, 20,696.60 and 7,560.68

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Solution

The fourth proportional to 13,810.08, 20,696.60 and 7,560.68 is: 11,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.08 : 20,696.60 = 7,560.68 : x
  2. Step 2: Convert to fraction form
    13,810.08/20,696.60 = 7,560.68/x
  3. Step 3: Cross multiply
    13,810.08x = 20,696.60 × 7,560.68
  4. Step 4: Simplify right side
    13,810.08x = 156,480,369.69
  5. Step 5: Solve for x
    x = 156,480,369.69/13,810.08
  6. Step 6: Final answer
    x = 11,330.88

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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.