Home / 13,010.64-19,498.47-6,757.65

Finding the Fourth Proportional to 13,010.64, 19,498.47 and 6,757.65

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Solution

The fourth proportional to 13,010.64, 19,498.47 and 6,757.65 is: 10,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.64 : 19,498.47 = 6,757.65 : x
  2. Step 2: Convert to fraction form
    13,010.64/19,498.47 = 6,757.65/x
  3. Step 3: Cross multiply
    13,010.64x = 19,498.47 × 6,757.65
  4. Step 4: Simplify right side
    13,010.64x = 131,763,835.80
  5. Step 5: Solve for x
    x = 131,763,835.80/13,010.64
  6. Step 6: Final answer
    x = 10,127.39

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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.