Home / 9,987.07-14,982.77-4,992.16

Finding the Fourth Proportional to 9,987.07, 14,982.77 and 4,992.16

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Solution

The fourth proportional to 9,987.07, 14,982.77 and 4,992.16 is: 7,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.07 : 14,982.77 = 4,992.16 : x
  2. Step 2: Convert to fraction form
    9,987.07/14,982.77 = 4,992.16/x
  3. Step 3: Cross multiply
    9,987.07x = 14,982.77 × 4,992.16
  4. Step 4: Simplify right side
    9,987.07x = 74,796,385.08
  5. Step 5: Solve for x
    x = 74,796,385.08/9,987.07
  6. Step 6: Final answer
    x = 7,489.32

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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.