Home / 13,119.57-19,666.53-4,348.62

Finding the Fourth Proportional to 13,119.57, 19,666.53 and 4,348.62

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Solution

The fourth proportional to 13,119.57, 19,666.53 and 4,348.62 is: 6,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.57 : 19,666.53 = 4,348.62 : x
  2. Step 2: Convert to fraction form
    13,119.57/19,666.53 = 4,348.62/x
  3. Step 3: Cross multiply
    13,119.57x = 19,666.53 × 4,348.62
  4. Step 4: Simplify right side
    13,119.57x = 85,522,265.69
  5. Step 5: Solve for x
    x = 85,522,265.69/13,119.57
  6. Step 6: Final answer
    x = 6,518.68

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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.