Home / 13,165.55-19,756.13-4,851.40

Finding the Fourth Proportional to 13,165.55, 19,756.13 and 4,851.40

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Solution

The fourth proportional to 13,165.55, 19,756.13 and 4,851.40 is: 7,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.55 : 19,756.13 = 4,851.40 : x
  2. Step 2: Convert to fraction form
    13,165.55/19,756.13 = 4,851.40/x
  3. Step 3: Cross multiply
    13,165.55x = 19,756.13 × 4,851.40
  4. Step 4: Simplify right side
    13,165.55x = 95,844,815.43
  5. Step 5: Solve for x
    x = 95,844,815.43/13,165.55
  6. Step 6: Final answer
    x = 7,279.97

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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.