Home / 14,224.68-21,337.20-4,990.68

Finding the Fourth Proportional to 14,224.68, 21,337.20 and 4,990.68

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Solution

The fourth proportional to 14,224.68, 21,337.20 and 4,990.68 is: 7,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.68 : 21,337.20 = 4,990.68 : x
  2. Step 2: Convert to fraction form
    14,224.68/21,337.20 = 4,990.68/x
  3. Step 3: Cross multiply
    14,224.68x = 21,337.20 × 4,990.68
  4. Step 4: Simplify right side
    14,224.68x = 106,487,137.30
  5. Step 5: Solve for x
    x = 106,487,137.30/14,224.68
  6. Step 6: Final answer
    x = 7,486.08

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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.