Home / 13,102.89-19,653.72-4,337.88

Finding the Fourth Proportional to 13,102.89, 19,653.72 and 4,337.88

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Solution

The fourth proportional to 13,102.89, 19,653.72 and 4,337.88 is: 6,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.89 : 19,653.72 = 4,337.88 : x
  2. Step 2: Convert to fraction form
    13,102.89/19,653.72 = 4,337.88/x
  3. Step 3: Cross multiply
    13,102.89x = 19,653.72 × 4,337.88
  4. Step 4: Simplify right side
    13,102.89x = 85,255,478.91
  5. Step 5: Solve for x
    x = 85,255,478.91/13,102.89
  6. Step 6: Final answer
    x = 6,506.62

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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.