Home / 14,021.88-21,030.34-4,660.96

Finding the Fourth Proportional to 14,021.88, 21,030.34 and 4,660.96

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Solution

The fourth proportional to 14,021.88, 21,030.34 and 4,660.96 is: 6,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.88 : 21,030.34 = 4,660.96 : x
  2. Step 2: Convert to fraction form
    14,021.88/21,030.34 = 4,660.96/x
  3. Step 3: Cross multiply
    14,021.88x = 21,030.34 × 4,660.96
  4. Step 4: Simplify right side
    14,021.88x = 98,021,573.53
  5. Step 5: Solve for x
    x = 98,021,573.53/14,021.88
  6. Step 6: Final answer
    x = 6,990.62

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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.