Home / 14,376.20-21,564.30-13,748.90

Finding the Fourth Proportional to 14,376.20, 21,564.30 and 13,748.90

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Solution

The fourth proportional to 14,376.20, 21,564.30 and 13,748.90 is: 20,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.20 : 21,564.30 = 13,748.90 : x
  2. Step 2: Convert to fraction form
    14,376.20/21,564.30 = 13,748.90/x
  3. Step 3: Cross multiply
    14,376.20x = 21,564.30 × 13,748.90
  4. Step 4: Simplify right side
    14,376.20x = 296,485,404.27
  5. Step 5: Solve for x
    x = 296,485,404.27/14,376.20
  6. Step 6: Final answer
    x = 20,623.35

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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.