Home / 13,915.71-20,873.61-3,527.46

Finding the Fourth Proportional to 13,915.71, 20,873.61 and 3,527.46

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Solution

The fourth proportional to 13,915.71, 20,873.61 and 3,527.46 is: 5,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.71 : 20,873.61 = 3,527.46 : x
  2. Step 2: Convert to fraction form
    13,915.71/20,873.61 = 3,527.46/x
  3. Step 3: Cross multiply
    13,915.71x = 20,873.61 × 3,527.46
  4. Step 4: Simplify right side
    13,915.71x = 73,630,824.33
  5. Step 5: Solve for x
    x = 73,630,824.33/13,915.71
  6. Step 6: Final answer
    x = 5,291.20

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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.