Home / 9,011.68-13,519.60-3,168.32

Finding the Fourth Proportional to 9,011.68, 13,519.60 and 3,168.32

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Solution

The fourth proportional to 9,011.68, 13,519.60 and 3,168.32 is: 4,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.68 : 13,519.60 = 3,168.32 : x
  2. Step 2: Convert to fraction form
    9,011.68/13,519.60 = 3,168.32/x
  3. Step 3: Cross multiply
    9,011.68x = 13,519.60 × 3,168.32
  4. Step 4: Simplify right side
    9,011.68x = 42,834,419.07
  5. Step 5: Solve for x
    x = 42,834,419.07/9,011.68
  6. Step 6: Final answer
    x = 4,753.21

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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.