Home / 14,561.40-21,809.70-7,627.80

Finding the Fourth Proportional to 14,561.40, 21,809.70 and 7,627.80

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Solution

The fourth proportional to 14,561.40, 21,809.70 and 7,627.80 is: 11,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.40 : 21,809.70 = 7,627.80 : x
  2. Step 2: Convert to fraction form
    14,561.40/21,809.70 = 7,627.80/x
  3. Step 3: Cross multiply
    14,561.40x = 21,809.70 × 7,627.80
  4. Step 4: Simplify right side
    14,561.40x = 166,360,029.66
  5. Step 5: Solve for x
    x = 166,360,029.66/14,561.40
  6. Step 6: Final answer
    x = 11,424.73

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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.