Home / 18,538.40-25,594.61-14,281.44

Finding the Fourth Proportional to 18,538.40, 25,594.61 and 14,281.44

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Solution

The fourth proportional to 18,538.40, 25,594.61 and 14,281.44 is: 19,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.40 : 25,594.61 = 14,281.44 : x
  2. Step 2: Convert to fraction form
    18,538.40/25,594.61 = 14,281.44/x
  3. Step 3: Cross multiply
    18,538.40x = 25,594.61 × 14,281.44
  4. Step 4: Simplify right side
    18,538.40x = 365,527,815.63
  5. Step 5: Solve for x
    x = 365,527,815.63/18,538.40
  6. Step 6: Final answer
    x = 19,717.34

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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.