Home / 13,370.54-20,056.48-3,509.84

Finding the Fourth Proportional to 13,370.54, 20,056.48 and 3,509.84

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Solution

The fourth proportional to 13,370.54, 20,056.48 and 3,509.84 is: 5,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.54 : 20,056.48 = 3,509.84 : x
  2. Step 2: Convert to fraction form
    13,370.54/20,056.48 = 3,509.84/x
  3. Step 3: Cross multiply
    13,370.54x = 20,056.48 × 3,509.84
  4. Step 4: Simplify right side
    13,370.54x = 70,395,035.76
  5. Step 5: Solve for x
    x = 70,395,035.76/13,370.54
  6. Step 6: Final answer
    x = 5,264.94

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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.