Home / 13,558.34-20,340.26-4,799.40

Finding the Fourth Proportional to 13,558.34, 20,340.26 and 4,799.40

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Solution

The fourth proportional to 13,558.34, 20,340.26 and 4,799.40 is: 7,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.34 : 20,340.26 = 4,799.40 : x
  2. Step 2: Convert to fraction form
    13,558.34/20,340.26 = 4,799.40/x
  3. Step 3: Cross multiply
    13,558.34x = 20,340.26 × 4,799.40
  4. Step 4: Simplify right side
    13,558.34x = 97,621,043.84
  5. Step 5: Solve for x
    x = 97,621,043.84/13,558.34
  6. Step 6: Final answer
    x = 7,200.07

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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.