Home / 14,048.48-21,072.72-3,660.20

Finding the Fourth Proportional to 14,048.48, 21,072.72 and 3,660.20

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Solution

The fourth proportional to 14,048.48, 21,072.72 and 3,660.20 is: 5,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.48 : 21,072.72 = 3,660.20 : x
  2. Step 2: Convert to fraction form
    14,048.48/21,072.72 = 3,660.20/x
  3. Step 3: Cross multiply
    14,048.48x = 21,072.72 × 3,660.20
  4. Step 4: Simplify right side
    14,048.48x = 77,130,369.74
  5. Step 5: Solve for x
    x = 77,130,369.74/14,048.48
  6. Step 6: Final answer
    x = 5,490.30

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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.