Home / 18,767.69-25,894.31-11,210.66

Finding the Fourth Proportional to 18,767.69, 25,894.31 and 11,210.66

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Solution

The fourth proportional to 18,767.69, 25,894.31 and 11,210.66 is: 15,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.69 : 25,894.31 = 11,210.66 : x
  2. Step 2: Convert to fraction form
    18,767.69/25,894.31 = 11,210.66/x
  3. Step 3: Cross multiply
    18,767.69x = 25,894.31 × 11,210.66
  4. Step 4: Simplify right side
    18,767.69x = 290,292,305.34
  5. Step 5: Solve for x
    x = 290,292,305.34/18,767.69
  6. Step 6: Final answer
    x = 15,467.66

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Half scale
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Double scale
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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.