Home / 13,370.70-20,056.05-9,612.30

Finding the Fourth Proportional to 13,370.70, 20,056.05 and 9,612.30

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Solution

The fourth proportional to 13,370.70, 20,056.05 and 9,612.30 is: 14,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.70 : 20,056.05 = 9,612.30 : x
  2. Step 2: Convert to fraction form
    13,370.70/20,056.05 = 9,612.30/x
  3. Step 3: Cross multiply
    13,370.70x = 20,056.05 × 9,612.30
  4. Step 4: Simplify right side
    13,370.70x = 192,784,769.42
  5. Step 5: Solve for x
    x = 192,784,769.42/13,370.70
  6. Step 6: Final answer
    x = 14,418.45

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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.