Home / 13,173.91-19,756.88-6,930.48

Finding the Fourth Proportional to 13,173.91, 19,756.88 and 6,930.48

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Solution

The fourth proportional to 13,173.91, 19,756.88 and 6,930.48 is: 10,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.91 : 19,756.88 = 6,930.48 : x
  2. Step 2: Convert to fraction form
    13,173.91/19,756.88 = 6,930.48/x
  3. Step 3: Cross multiply
    13,173.91x = 19,756.88 × 6,930.48
  4. Step 4: Simplify right side
    13,173.91x = 136,924,653.04
  5. Step 5: Solve for x
    x = 136,924,653.04/13,173.91
  6. Step 6: Final answer
    x = 10,393.62

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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.