Home / 19,146.36-28,723.59-9,664.08

Finding the Fourth Proportional to 19,146.36, 28,723.59 and 9,664.08

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Solution

The fourth proportional to 19,146.36, 28,723.59 and 9,664.08 is: 14,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.36 : 28,723.59 = 9,664.08 : x
  2. Step 2: Convert to fraction form
    19,146.36/28,723.59 = 9,664.08/x
  3. Step 3: Cross multiply
    19,146.36x = 28,723.59 × 9,664.08
  4. Step 4: Simplify right side
    19,146.36x = 277,587,071.65
  5. Step 5: Solve for x
    x = 277,587,071.65/19,146.36
  6. Step 6: Final answer
    x = 14,498.16

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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.