Home / 14,328.55-21,490.53-3,937.87

Finding the Fourth Proportional to 14,328.55, 21,490.53 and 3,937.87

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Solution

The fourth proportional to 14,328.55, 21,490.53 and 3,937.87 is: 5,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.55 : 21,490.53 = 3,937.87 : x
  2. Step 2: Convert to fraction form
    14,328.55/21,490.53 = 3,937.87/x
  3. Step 3: Cross multiply
    14,328.55x = 21,490.53 × 3,937.87
  4. Step 4: Simplify right side
    14,328.55x = 84,626,913.37
  5. Step 5: Solve for x
    x = 84,626,913.37/14,328.55
  6. Step 6: Final answer
    x = 5,906.17

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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.