Home / 13,875.44-20,811.24-4,516.40

Finding the Fourth Proportional to 13,875.44, 20,811.24 and 4,516.40

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Solution

The fourth proportional to 13,875.44, 20,811.24 and 4,516.40 is: 6,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.44 : 20,811.24 = 4,516.40 : x
  2. Step 2: Convert to fraction form
    13,875.44/20,811.24 = 4,516.40/x
  3. Step 3: Cross multiply
    13,875.44x = 20,811.24 × 4,516.40
  4. Step 4: Simplify right side
    13,875.44x = 93,991,884.34
  5. Step 5: Solve for x
    x = 93,991,884.34/13,875.44
  6. Step 6: Final answer
    x = 6,773.98

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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.