Home / 19,869.96-29,920.44-14,360.88

Finding the Fourth Proportional to 19,869.96, 29,920.44 and 14,360.88

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Solution

The fourth proportional to 19,869.96, 29,920.44 and 14,360.88 is: 21,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.96 : 29,920.44 = 14,360.88 : x
  2. Step 2: Convert to fraction form
    19,869.96/29,920.44 = 14,360.88/x
  3. Step 3: Cross multiply
    19,869.96x = 29,920.44 × 14,360.88
  4. Step 4: Simplify right side
    19,869.96x = 429,683,848.39
  5. Step 5: Solve for x
    x = 429,683,848.39/19,869.96
  6. Step 6: Final answer
    x = 21,624.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.