Home / 14,182.48-21,274.20-4,949.20

Finding the Fourth Proportional to 14,182.48, 21,274.20 and 4,949.20

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Solution

The fourth proportional to 14,182.48, 21,274.20 and 4,949.20 is: 7,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.48 : 21,274.20 = 4,949.20 : x
  2. Step 2: Convert to fraction form
    14,182.48/21,274.20 = 4,949.20/x
  3. Step 3: Cross multiply
    14,182.48x = 21,274.20 × 4,949.20
  4. Step 4: Simplify right side
    14,182.48x = 105,290,270.64
  5. Step 5: Solve for x
    x = 105,290,270.64/14,182.48
  6. Step 6: Final answer
    x = 7,423.97

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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.