Home / 14,186.57-21,278.37-6,289.22

Finding the Fourth Proportional to 14,186.57, 21,278.37 and 6,289.22

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Solution

The fourth proportional to 14,186.57, 21,278.37 and 6,289.22 is: 9,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.57 : 21,278.37 = 6,289.22 : x
  2. Step 2: Convert to fraction form
    14,186.57/21,278.37 = 6,289.22/x
  3. Step 3: Cross multiply
    14,186.57x = 21,278.37 × 6,289.22
  4. Step 4: Simplify right side
    14,186.57x = 133,824,349.42
  5. Step 5: Solve for x
    x = 133,824,349.42/14,186.57
  6. Step 6: Final answer
    x = 9,433.17

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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.