Home / 13,898.88-20,848.32-10,451.52

Finding the Fourth Proportional to 13,898.88, 20,848.32 and 10,451.52

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Solution

The fourth proportional to 13,898.88, 20,848.32 and 10,451.52 is: 15,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.88 : 20,848.32 = 10,451.52 : x
  2. Step 2: Convert to fraction form
    13,898.88/20,848.32 = 10,451.52/x
  3. Step 3: Cross multiply
    13,898.88x = 20,848.32 × 10,451.52
  4. Step 4: Simplify right side
    13,898.88x = 217,896,633.45
  5. Step 5: Solve for x
    x = 217,896,633.45/13,898.88
  6. Step 6: Final answer
    x = 15,677.28

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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.