Home / 14,264.48-21,396.72-3,877.76

Finding the Fourth Proportional to 14,264.48, 21,396.72 and 3,877.76

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Solution

The fourth proportional to 14,264.48, 21,396.72 and 3,877.76 is: 5,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.48 : 21,396.72 = 3,877.76 : x
  2. Step 2: Convert to fraction form
    14,264.48/21,396.72 = 3,877.76/x
  3. Step 3: Cross multiply
    14,264.48x = 21,396.72 × 3,877.76
  4. Step 4: Simplify right side
    14,264.48x = 82,971,344.95
  5. Step 5: Solve for x
    x = 82,971,344.95/14,264.48
  6. Step 6: Final answer
    x = 5,816.64

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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.