Home / 19,605.65-27,055.62-11,946.69

Finding the Fourth Proportional to 19,605.65, 27,055.62 and 11,946.69

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Solution

The fourth proportional to 19,605.65, 27,055.62 and 11,946.69 is: 16,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.65 : 27,055.62 = 11,946.69 : x
  2. Step 2: Convert to fraction form
    19,605.65/27,055.62 = 11,946.69/x
  3. Step 3: Cross multiply
    19,605.65x = 27,055.62 × 11,946.69
  4. Step 4: Simplify right side
    19,605.65x = 323,225,104.90
  5. Step 5: Solve for x
    x = 323,225,104.90/19,605.65
  6. Step 6: Final answer
    x = 16,486.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.