Home / 18,633.24-25,714.08-10,135.36

Finding the Fourth Proportional to 18,633.24, 25,714.08 and 10,135.36

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Solution

The fourth proportional to 18,633.24, 25,714.08 and 10,135.36 is: 13,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.24 : 25,714.08 = 10,135.36 : x
  2. Step 2: Convert to fraction form
    18,633.24/25,714.08 = 10,135.36/x
  3. Step 3: Cross multiply
    18,633.24x = 25,714.08 × 10,135.36
  4. Step 4: Simplify right side
    18,633.24x = 260,621,457.87
  5. Step 5: Solve for x
    x = 260,621,457.87/18,633.24
  6. Step 6: Final answer
    x = 13,986.91

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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.