Home / 18,653.15-25,750.85-14,394.64

Finding the Fourth Proportional to 18,653.15, 25,750.85 and 14,394.64

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Solution

The fourth proportional to 18,653.15, 25,750.85 and 14,394.64 is: 19,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.15 : 25,750.85 = 14,394.64 : x
  2. Step 2: Convert to fraction form
    18,653.15/25,750.85 = 14,394.64/x
  3. Step 3: Cross multiply
    18,653.15x = 25,750.85 × 14,394.64
  4. Step 4: Simplify right side
    18,653.15x = 370,674,215.44
  5. Step 5: Solve for x
    x = 370,674,215.44/18,653.15
  6. Step 6: Final answer
    x = 19,871.94

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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.