Home / 18,798.16-25,939.56-11,243

Finding the Fourth Proportional to 18,798.16, 25,939.56 and 11,243

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Solution

The fourth proportional to 18,798.16, 25,939.56 and 11,243 is: 15,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.16 : 25,939.56 = 11,243 : x
  2. Step 2: Convert to fraction form
    18,798.16/25,939.56 = 11,243/x
  3. Step 3: Cross multiply
    18,798.16x = 25,939.56 × 11,243
  4. Step 4: Simplify right side
    18,798.16x = 291,638,473.08
  5. Step 5: Solve for x
    x = 291,638,473.08/18,798.16
  6. Step 6: Final answer
    x = 15,514.20

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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.