Home / 13,170.74-19,756.08-6,148.40

Finding the Fourth Proportional to 13,170.74, 19,756.08 and 6,148.40

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Solution

The fourth proportional to 13,170.74, 19,756.08 and 6,148.40 is: 9,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.74 : 19,756.08 = 6,148.40 : x
  2. Step 2: Convert to fraction form
    13,170.74/19,756.08 = 6,148.40/x
  3. Step 3: Cross multiply
    13,170.74x = 19,756.08 × 6,148.40
  4. Step 4: Simplify right side
    13,170.74x = 121,468,183.49
  5. Step 5: Solve for x
    x = 121,468,183.49/13,170.74
  6. Step 6: Final answer
    x = 9,222.58

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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.