Home / 15,085.26-20,908.08-14,805.27

Finding the Fourth Proportional to 15,085.26, 20,908.08 and 14,805.27

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Solution

The fourth proportional to 15,085.26, 20,908.08 and 14,805.27 is: 20,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.26 : 20,908.08 = 14,805.27 : x
  2. Step 2: Convert to fraction form
    15,085.26/20,908.08 = 14,805.27/x
  3. Step 3: Cross multiply
    15,085.26x = 20,908.08 × 14,805.27
  4. Step 4: Simplify right side
    15,085.26x = 309,549,769.58
  5. Step 5: Solve for x
    x = 309,549,769.58/15,085.26
  6. Step 6: Final answer
    x = 20,520.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.