Home / 10,065.22-13,890.09-5,588.80

Finding the Fourth Proportional to 10,065.22, 13,890.09 and 5,588.80

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Solution

The fourth proportional to 10,065.22, 13,890.09 and 5,588.80 is: 7,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.22 : 13,890.09 = 5,588.80 : x
  2. Step 2: Convert to fraction form
    10,065.22/13,890.09 = 5,588.80/x
  3. Step 3: Cross multiply
    10,065.22x = 13,890.09 × 5,588.80
  4. Step 4: Simplify right side
    10,065.22x = 77,628,934.99
  5. Step 5: Solve for x
    x = 77,628,934.99/10,065.22
  6. Step 6: Final answer
    x = 7,712.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.