Home / 13,915.59-20,871.37-4,555.98

Finding the Fourth Proportional to 13,915.59, 20,871.37 and 4,555.98

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Solution

The fourth proportional to 13,915.59, 20,871.37 and 4,555.98 is: 6,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.59 : 20,871.37 = 4,555.98 : x
  2. Step 2: Convert to fraction form
    13,915.59/20,871.37 = 4,555.98/x
  3. Step 3: Cross multiply
    13,915.59x = 20,871.37 × 4,555.98
  4. Step 4: Simplify right side
    13,915.59x = 95,089,549.99
  5. Step 5: Solve for x
    x = 95,089,549.99/13,915.59
  6. Step 6: Final answer
    x = 6,833.31

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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.