Home / 14,194.63-21,270.04-8,989.57

Finding the Fourth Proportional to 14,194.63, 21,270.04 and 8,989.57

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Solution

The fourth proportional to 14,194.63, 21,270.04 and 8,989.57 is: 13,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.63 : 21,270.04 = 8,989.57 : x
  2. Step 2: Convert to fraction form
    14,194.63/21,270.04 = 8,989.57/x
  3. Step 3: Cross multiply
    14,194.63x = 21,270.04 × 8,989.57
  4. Step 4: Simplify right side
    14,194.63x = 191,208,513.48
  5. Step 5: Solve for x
    x = 191,208,513.48/14,194.63
  6. Step 6: Final answer
    x = 13,470.48

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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.