Home / 13,591.56-20,387.36-10,946.68

Finding the Fourth Proportional to 13,591.56, 20,387.36 and 10,946.68

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Solution

The fourth proportional to 13,591.56, 20,387.36 and 10,946.68 is: 16,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.56 : 20,387.36 = 10,946.68 : x
  2. Step 2: Convert to fraction form
    13,591.56/20,387.36 = 10,946.68/x
  3. Step 3: Cross multiply
    13,591.56x = 20,387.36 × 10,946.68
  4. Step 4: Simplify right side
    13,591.56x = 223,173,905.96
  5. Step 5: Solve for x
    x = 223,173,905.96/13,591.56
  6. Step 6: Final answer
    x = 16,420.04

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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.