Home / 20,514.08-30,726.48-13,486.16

Finding the Fourth Proportional to 20,514.08, 30,726.48 and 13,486.16

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Solution

The fourth proportional to 20,514.08, 30,726.48 and 13,486.16 is: 20,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.08 : 30,726.48 = 13,486.16 : x
  2. Step 2: Convert to fraction form
    20,514.08/30,726.48 = 13,486.16/x
  3. Step 3: Cross multiply
    20,514.08x = 30,726.48 × 13,486.16
  4. Step 4: Simplify right side
    20,514.08x = 414,382,225.52
  5. Step 5: Solve for x
    x = 414,382,225.52/20,514.08
  6. Step 6: Final answer
    x = 20,199.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.