Home / 13,516.42-20,274.60-3,655.68

Finding the Fourth Proportional to 13,516.42, 20,274.60 and 3,655.68

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Solution

The fourth proportional to 13,516.42, 20,274.60 and 3,655.68 is: 5,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.42 : 20,274.60 = 3,655.68 : x
  2. Step 2: Convert to fraction form
    13,516.42/20,274.60 = 3,655.68/x
  3. Step 3: Cross multiply
    13,516.42x = 20,274.60 × 3,655.68
  4. Step 4: Simplify right side
    13,516.42x = 74,117,501.45
  5. Step 5: Solve for x
    x = 74,117,501.45/13,516.42
  6. Step 6: Final answer
    x = 5,483.52

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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.