Home / 13,926.72-20,892-4,695.36

Finding the Fourth Proportional to 13,926.72, 20,892 and 4,695.36

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Solution

The fourth proportional to 13,926.72, 20,892 and 4,695.36 is: 7,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.72 : 20,892 = 4,695.36 : x
  2. Step 2: Convert to fraction form
    13,926.72/20,892 = 4,695.36/x
  3. Step 3: Cross multiply
    13,926.72x = 20,892 × 4,695.36
  4. Step 4: Simplify right side
    13,926.72x = 98,095,461.12
  5. Step 5: Solve for x
    x = 98,095,461.12/13,926.72
  6. Step 6: Final answer
    x = 7,043.69

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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.