Home / 9,987.07-14,975.97-5,828.28

Finding the Fourth Proportional to 9,987.07, 14,975.97 and 5,828.28

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Solution

The fourth proportional to 9,987.07, 14,975.97 and 5,828.28 is: 8,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.07 : 14,975.97 = 5,828.28 : x
  2. Step 2: Convert to fraction form
    9,987.07/14,975.97 = 5,828.28/x
  3. Step 3: Cross multiply
    9,987.07x = 14,975.97 × 5,828.28
  4. Step 4: Simplify right side
    9,987.07x = 87,284,146.43
  5. Step 5: Solve for x
    x = 87,284,146.43/9,987.07
  6. Step 6: Final answer
    x = 8,739.72

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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.