Home / 14,033.70-21,053.78-4,172.76

Finding the Fourth Proportional to 14,033.70, 21,053.78 and 4,172.76

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Solution

The fourth proportional to 14,033.70, 21,053.78 and 4,172.76 is: 6,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.70 : 21,053.78 = 4,172.76 : x
  2. Step 2: Convert to fraction form
    14,033.70/21,053.78 = 4,172.76/x
  3. Step 3: Cross multiply
    14,033.70x = 21,053.78 × 4,172.76
  4. Step 4: Simplify right side
    14,033.70x = 87,852,371.03
  5. Step 5: Solve for x
    x = 87,852,371.03/14,033.70
  6. Step 6: Final answer
    x = 6,260.10

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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.