Home / 14,359.50-21,539.25-3,971.25

Finding the Fourth Proportional to 14,359.50, 21,539.25 and 3,971.25

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Solution

The fourth proportional to 14,359.50, 21,539.25 and 3,971.25 is: 5,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.50 : 21,539.25 = 3,971.25 : x
  2. Step 2: Convert to fraction form
    14,359.50/21,539.25 = 3,971.25/x
  3. Step 3: Cross multiply
    14,359.50x = 21,539.25 × 3,971.25
  4. Step 4: Simplify right side
    14,359.50x = 85,537,746.56
  5. Step 5: Solve for x
    x = 85,537,746.56/14,359.50
  6. Step 6: Final answer
    x = 5,956.88

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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.