Home / 13,973.64-20,956.01-4,611.91

Finding the Fourth Proportional to 13,973.64, 20,956.01 and 4,611.91

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Solution

The fourth proportional to 13,973.64, 20,956.01 and 4,611.91 is: 6,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.64 : 20,956.01 = 4,611.91 : x
  2. Step 2: Convert to fraction form
    13,973.64/20,956.01 = 4,611.91/x
  3. Step 3: Cross multiply
    13,973.64x = 20,956.01 × 4,611.91
  4. Step 4: Simplify right side
    13,973.64x = 96,647,209.02
  5. Step 5: Solve for x
    x = 96,647,209.02/13,973.64
  6. Step 6: Final answer
    x = 6,916.40

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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.