Home / 14,610.21-21,916.53-6,290.43

Finding the Fourth Proportional to 14,610.21, 21,916.53 and 6,290.43

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Solution

The fourth proportional to 14,610.21, 21,916.53 and 6,290.43 is: 9,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.21 : 21,916.53 = 6,290.43 : x
  2. Step 2: Convert to fraction form
    14,610.21/21,916.53 = 6,290.43/x
  3. Step 3: Cross multiply
    14,610.21x = 21,916.53 × 6,290.43
  4. Step 4: Simplify right side
    14,610.21x = 137,864,397.81
  5. Step 5: Solve for x
    x = 137,864,397.81/14,610.21
  6. Step 6: Final answer
    x = 9,436.17

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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.