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Finding the Fourth Proportional to 13,465.14, 20,199.04 and 5,152.14

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Solution

The fourth proportional to 13,465.14, 20,199.04 and 5,152.14 is: 7,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.14 : 20,199.04 = 5,152.14 : x
  2. Step 2: Convert to fraction form
    13,465.14/20,199.04 = 5,152.14/x
  3. Step 3: Cross multiply
    13,465.14x = 20,199.04 × 5,152.14
  4. Step 4: Simplify right side
    13,465.14x = 104,068,281.95
  5. Step 5: Solve for x
    x = 104,068,281.95/13,465.14
  6. Step 6: Final answer
    x = 7,728.72

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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.