Home / 9,987.13-14,980.83-4,796.65

Finding the Fourth Proportional to 9,987.13, 14,980.83 and 4,796.65

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Solution

The fourth proportional to 9,987.13, 14,980.83 and 4,796.65 is: 7,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.13 : 14,980.83 = 4,796.65 : x
  2. Step 2: Convert to fraction form
    9,987.13/14,980.83 = 4,796.65/x
  3. Step 3: Cross multiply
    9,987.13x = 14,980.83 × 4,796.65
  4. Step 4: Simplify right side
    9,987.13x = 71,857,798.22
  5. Step 5: Solve for x
    x = 71,857,798.22/9,987.13
  6. Step 6: Final answer
    x = 7,195.04

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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.