Home / 9,991.56-14,987.36-3,066.06

Finding the Fourth Proportional to 9,991.56, 14,987.36 and 3,066.06

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Solution

The fourth proportional to 9,991.56, 14,987.36 and 3,066.06 is: 4,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.56 : 14,987.36 = 3,066.06 : x
  2. Step 2: Convert to fraction form
    9,991.56/14,987.36 = 3,066.06/x
  3. Step 3: Cross multiply
    9,991.56x = 14,987.36 × 3,066.06
  4. Step 4: Simplify right side
    9,991.56x = 45,952,145.00
  5. Step 5: Solve for x
    x = 45,952,145.00/9,991.56
  6. Step 6: Final answer
    x = 4,599.10

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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.