Home / 18,514.19-25,550.22-10,130.69

Finding the Fourth Proportional to 18,514.19, 25,550.22 and 10,130.69

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Solution

The fourth proportional to 18,514.19, 25,550.22 and 10,130.69 is: 13,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.19 : 25,550.22 = 10,130.69 : x
  2. Step 2: Convert to fraction form
    18,514.19/25,550.22 = 10,130.69/x
  3. Step 3: Cross multiply
    18,514.19x = 25,550.22 × 10,130.69
  4. Step 4: Simplify right side
    18,514.19x = 258,841,230.50
  5. Step 5: Solve for x
    x = 258,841,230.50/18,514.19
  6. Step 6: Final answer
    x = 13,980.70

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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.