Home / 13,416.45-20,124.86-4,056.54

Finding the Fourth Proportional to 13,416.45, 20,124.86 and 4,056.54

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Solution

The fourth proportional to 13,416.45, 20,124.86 and 4,056.54 is: 6,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.45 : 20,124.86 = 4,056.54 : x
  2. Step 2: Convert to fraction form
    13,416.45/20,124.86 = 4,056.54/x
  3. Step 3: Cross multiply
    13,416.45x = 20,124.86 × 4,056.54
  4. Step 4: Simplify right side
    13,416.45x = 81,637,299.58
  5. Step 5: Solve for x
    x = 81,637,299.58/13,416.45
  6. Step 6: Final answer
    x = 6,084.87

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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.