Home / 15,004.29-20,714.63-9,975.27

Finding the Fourth Proportional to 15,004.29, 20,714.63 and 9,975.27

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Solution

The fourth proportional to 15,004.29, 20,714.63 and 9,975.27 is: 13,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.29 : 20,714.63 = 9,975.27 : x
  2. Step 2: Convert to fraction form
    15,004.29/20,714.63 = 9,975.27/x
  3. Step 3: Cross multiply
    15,004.29x = 20,714.63 × 9,975.27
  4. Step 4: Simplify right side
    15,004.29x = 206,633,977.32
  5. Step 5: Solve for x
    x = 206,633,977.32/15,004.29
  6. Step 6: Final answer
    x = 13,771.66

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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.