Home / 18,435.25-25,440.65-10,051.75

Finding the Fourth Proportional to 18,435.25, 25,440.65 and 10,051.75

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Solution

The fourth proportional to 18,435.25, 25,440.65 and 10,051.75 is: 13,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.25 : 25,440.65 = 10,051.75 : x
  2. Step 2: Convert to fraction form
    18,435.25/25,440.65 = 10,051.75/x
  3. Step 3: Cross multiply
    18,435.25x = 25,440.65 × 10,051.75
  4. Step 4: Simplify right side
    18,435.25x = 255,723,053.64
  5. Step 5: Solve for x
    x = 255,723,053.64/18,435.25
  6. Step 6: Final answer
    x = 13,871.42

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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.