Home / 14,242.79-21,367.03-4,381.70

Finding the Fourth Proportional to 14,242.79, 21,367.03 and 4,381.70

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Solution

The fourth proportional to 14,242.79, 21,367.03 and 4,381.70 is: 6,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.79 : 21,367.03 = 4,381.70 : x
  2. Step 2: Convert to fraction form
    14,242.79/21,367.03 = 4,381.70/x
  3. Step 3: Cross multiply
    14,242.79x = 21,367.03 × 4,381.70
  4. Step 4: Simplify right side
    14,242.79x = 93,623,915.35
  5. Step 5: Solve for x
    x = 93,623,915.35/14,242.79
  6. Step 6: Final answer
    x = 6,573.43

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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.