Home / 9,013.20-13,516.08-3,168.42

Finding the Fourth Proportional to 9,013.20, 13,516.08 and 3,168.42

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Solution

The fourth proportional to 9,013.20, 13,516.08 and 3,168.42 is: 4,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.20 : 13,516.08 = 3,168.42 : x
  2. Step 2: Convert to fraction form
    9,013.20/13,516.08 = 3,168.42/x
  3. Step 3: Cross multiply
    9,013.20x = 13,516.08 × 3,168.42
  4. Step 4: Simplify right side
    9,013.20x = 42,824,618.19
  5. Step 5: Solve for x
    x = 42,824,618.19/9,013.20
  6. Step 6: Final answer
    x = 4,751.32

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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.