Home / 18,514.02-25,542.12-11,798.40

Finding the Fourth Proportional to 18,514.02, 25,542.12 and 11,798.40

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Solution

The fourth proportional to 18,514.02, 25,542.12 and 11,798.40 is: 16,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.02 : 25,542.12 = 11,798.40 : x
  2. Step 2: Convert to fraction form
    18,514.02/25,542.12 = 11,798.40/x
  3. Step 3: Cross multiply
    18,514.02x = 25,542.12 × 11,798.40
  4. Step 4: Simplify right side
    18,514.02x = 301,356,148.61
  5. Step 5: Solve for x
    x = 301,356,148.61/18,514.02
  6. Step 6: Final answer
    x = 16,277.19

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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.