Home / 14,619.96-21,931.33-4,089.98

Finding the Fourth Proportional to 14,619.96, 21,931.33 and 4,089.98

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Solution

The fourth proportional to 14,619.96, 21,931.33 and 4,089.98 is: 6,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.96 : 21,931.33 = 4,089.98 : x
  2. Step 2: Convert to fraction form
    14,619.96/21,931.33 = 4,089.98/x
  3. Step 3: Cross multiply
    14,619.96x = 21,931.33 × 4,089.98
  4. Step 4: Simplify right side
    14,619.96x = 89,698,701.07
  5. Step 5: Solve for x
    x = 89,698,701.07/14,619.96
  6. Step 6: Final answer
    x = 6,135.36

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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.