Home / 14,439.53-21,622.34-8,190.18

Finding the Fourth Proportional to 14,439.53, 21,622.34 and 8,190.18

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Solution

The fourth proportional to 14,439.53, 21,622.34 and 8,190.18 is: 12,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.53 : 21,622.34 = 8,190.18 : x
  2. Step 2: Convert to fraction form
    14,439.53/21,622.34 = 8,190.18/x
  3. Step 3: Cross multiply
    14,439.53x = 21,622.34 × 8,190.18
  4. Step 4: Simplify right side
    14,439.53x = 177,090,877.10
  5. Step 5: Solve for x
    x = 177,090,877.10/14,439.53
  6. Step 6: Final answer
    x = 12,264.31

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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.