Home / 14,640.48-20,204.16-8,672.04

Finding the Fourth Proportional to 14,640.48, 20,204.16 and 8,672.04

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Solution

The fourth proportional to 14,640.48, 20,204.16 and 8,672.04 is: 11,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.48 : 20,204.16 = 8,672.04 : x
  2. Step 2: Convert to fraction form
    14,640.48/20,204.16 = 8,672.04/x
  3. Step 3: Cross multiply
    14,640.48x = 20,204.16 × 8,672.04
  4. Step 4: Simplify right side
    14,640.48x = 175,211,283.69
  5. Step 5: Solve for x
    x = 175,211,283.69/14,640.48
  6. Step 6: Final answer
    x = 11,967.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.