Home / 18,633.63-25,714.74-10,135.94

Finding the Fourth Proportional to 18,633.63, 25,714.74 and 10,135.94

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Solution

The fourth proportional to 18,633.63, 25,714.74 and 10,135.94 is: 13,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.63 : 25,714.74 = 10,135.94 : x
  2. Step 2: Convert to fraction form
    18,633.63/25,714.74 = 10,135.94/x
  3. Step 3: Cross multiply
    18,633.63x = 25,714.74 × 10,135.94
  4. Step 4: Simplify right side
    18,633.63x = 260,642,933.18
  5. Step 5: Solve for x
    x = 260,642,933.18/18,633.63
  6. Step 6: Final answer
    x = 13,987.77

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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.