Home / 14,190.93-21,289.73-4,330.21

Finding the Fourth Proportional to 14,190.93, 21,289.73 and 4,330.21

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Solution

The fourth proportional to 14,190.93, 21,289.73 and 4,330.21 is: 6,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.93 : 21,289.73 = 4,330.21 : x
  2. Step 2: Convert to fraction form
    14,190.93/21,289.73 = 4,330.21/x
  3. Step 3: Cross multiply
    14,190.93x = 21,289.73 × 4,330.21
  4. Step 4: Simplify right side
    14,190.93x = 92,189,001.74
  5. Step 5: Solve for x
    x = 92,189,001.74/14,190.93
  6. Step 6: Final answer
    x = 6,496.33

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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.