Home / 13,026.62-19,566.09-7,771.88

Finding the Fourth Proportional to 13,026.62, 19,566.09 and 7,771.88

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Solution

The fourth proportional to 13,026.62, 19,566.09 and 7,771.88 is: 11,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.62 : 19,566.09 = 7,771.88 : x
  2. Step 2: Convert to fraction form
    13,026.62/19,566.09 = 7,771.88/x
  3. Step 3: Cross multiply
    13,026.62x = 19,566.09 × 7,771.88
  4. Step 4: Simplify right side
    13,026.62x = 152,065,352.46
  5. Step 5: Solve for x
    x = 152,065,352.46/13,026.62
  6. Step 6: Final answer
    x = 11,673.43

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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.