Home / 14,112.08-21,168.06-3,582.20

Finding the Fourth Proportional to 14,112.08, 21,168.06 and 3,582.20

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Solution

The fourth proportional to 14,112.08, 21,168.06 and 3,582.20 is: 5,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.08 : 21,168.06 = 3,582.20 : x
  2. Step 2: Convert to fraction form
    14,112.08/21,168.06 = 3,582.20/x
  3. Step 3: Cross multiply
    14,112.08x = 21,168.06 × 3,582.20
  4. Step 4: Simplify right side
    14,112.08x = 75,828,224.53
  5. Step 5: Solve for x
    x = 75,828,224.53/14,112.08
  6. Step 6: Final answer
    x = 5,373.28

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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.