Home / 11,990.28-17,987.34-5,064.84

Finding the Fourth Proportional to 11,990.28, 17,987.34 and 5,064.84

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Solution

The fourth proportional to 11,990.28, 17,987.34 and 5,064.84 is: 7,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.28 : 17,987.34 = 5,064.84 : x
  2. Step 2: Convert to fraction form
    11,990.28/17,987.34 = 5,064.84/x
  3. Step 3: Cross multiply
    11,990.28x = 17,987.34 × 5,064.84
  4. Step 4: Simplify right side
    11,990.28x = 91,102,999.13
  5. Step 5: Solve for x
    x = 91,102,999.13/11,990.28
  6. Step 6: Final answer
    x = 7,598.07

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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.