Home / 13,590.21-20,358.79-9,363.49

Finding the Fourth Proportional to 13,590.21, 20,358.79 and 9,363.49

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Solution

The fourth proportional to 13,590.21, 20,358.79 and 9,363.49 is: 14,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.21 : 20,358.79 = 9,363.49 : x
  2. Step 2: Convert to fraction form
    13,590.21/20,358.79 = 9,363.49/x
  3. Step 3: Cross multiply
    13,590.21x = 20,358.79 × 9,363.49
  4. Step 4: Simplify right side
    13,590.21x = 190,629,326.58
  5. Step 5: Solve for x
    x = 190,629,326.58/13,590.21
  6. Step 6: Final answer
    x = 14,026.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.