Home / 14,364.33-21,441.20-13,308.93

Finding the Fourth Proportional to 14,364.33, 21,441.20 and 13,308.93

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Solution

The fourth proportional to 14,364.33, 21,441.20 and 13,308.93 is: 19,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.33 : 21,441.20 = 13,308.93 : x
  2. Step 2: Convert to fraction form
    14,364.33/21,441.20 = 13,308.93/x
  3. Step 3: Cross multiply
    14,364.33x = 21,441.20 × 13,308.93
  4. Step 4: Simplify right side
    14,364.33x = 285,359,429.92
  5. Step 5: Solve for x
    x = 285,359,429.92/14,364.33
  6. Step 6: Final answer
    x = 19,865.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.