Home / 11,021.77-15,209.94-5,985.88

Finding the Fourth Proportional to 11,021.77, 15,209.94 and 5,985.88

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Solution

The fourth proportional to 11,021.77, 15,209.94 and 5,985.88 is: 8,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.77 : 15,209.94 = 5,985.88 : x
  2. Step 2: Convert to fraction form
    11,021.77/15,209.94 = 5,985.88/x
  3. Step 3: Cross multiply
    11,021.77x = 15,209.94 × 5,985.88
  4. Step 4: Simplify right side
    11,021.77x = 91,044,875.65
  5. Step 5: Solve for x
    x = 91,044,875.65/11,021.77
  6. Step 6: Final answer
    x = 8,260.46

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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.