Home / 21,368.66-29,466.10-14,664.08

Finding the Fourth Proportional to 21,368.66, 29,466.10 and 14,664.08

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Solution

The fourth proportional to 21,368.66, 29,466.10 and 14,664.08 is: 20,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.66 : 29,466.10 = 14,664.08 : x
  2. Step 2: Convert to fraction form
    21,368.66/29,466.10 = 14,664.08/x
  3. Step 3: Cross multiply
    21,368.66x = 29,466.10 × 14,664.08
  4. Step 4: Simplify right side
    21,368.66x = 432,093,247.69
  5. Step 5: Solve for x
    x = 432,093,247.69/21,368.66
  6. Step 6: Final answer
    x = 20,220.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.