Home / 13,470.62-20,214.58-6,541.34

Finding the Fourth Proportional to 13,470.62, 20,214.58 and 6,541.34

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Solution

The fourth proportional to 13,470.62, 20,214.58 and 6,541.34 is: 9,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.62 : 20,214.58 = 6,541.34 : x
  2. Step 2: Convert to fraction form
    13,470.62/20,214.58 = 6,541.34/x
  3. Step 3: Cross multiply
    13,470.62x = 20,214.58 × 6,541.34
  4. Step 4: Simplify right side
    13,470.62x = 132,230,440.74
  5. Step 5: Solve for x
    x = 132,230,440.74/13,470.62
  6. Step 6: Final answer
    x = 9,816.21

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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.