Home / 14,191.13-21,289.79-4,330.15

Finding the Fourth Proportional to 14,191.13, 21,289.79 and 4,330.15

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Solution

The fourth proportional to 14,191.13, 21,289.79 and 4,330.15 is: 6,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.13 : 21,289.79 = 4,330.15 : x
  2. Step 2: Convert to fraction form
    14,191.13/21,289.79 = 4,330.15/x
  3. Step 3: Cross multiply
    14,191.13x = 21,289.79 × 4,330.15
  4. Step 4: Simplify right side
    14,191.13x = 92,187,941.77
  5. Step 5: Solve for x
    x = 92,187,941.77/14,191.13
  6. Step 6: Final answer
    x = 6,496.17

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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.