Home / 13,172.68-19,756.84-6,153.42

Finding the Fourth Proportional to 13,172.68, 19,756.84 and 6,153.42

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Solution

The fourth proportional to 13,172.68, 19,756.84 and 6,153.42 is: 9,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.68 : 19,756.84 = 6,153.42 : x
  2. Step 2: Convert to fraction form
    13,172.68/19,756.84 = 6,153.42/x
  3. Step 3: Cross multiply
    13,172.68x = 19,756.84 × 6,153.42
  4. Step 4: Simplify right side
    13,172.68x = 121,572,134.39
  5. Step 5: Solve for x
    x = 121,572,134.39/13,172.68
  6. Step 6: Final answer
    x = 9,229.11

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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.