Home / 14,389.02-21,579.26-6,486.98

Finding the Fourth Proportional to 14,389.02, 21,579.26 and 6,486.98

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Solution

The fourth proportional to 14,389.02, 21,579.26 and 6,486.98 is: 9,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.02 : 21,579.26 = 6,486.98 : x
  2. Step 2: Convert to fraction form
    14,389.02/21,579.26 = 6,486.98/x
  3. Step 3: Cross multiply
    14,389.02x = 21,579.26 × 6,486.98
  4. Step 4: Simplify right side
    14,389.02x = 139,984,087.70
  5. Step 5: Solve for x
    x = 139,984,087.70/14,389.02
  6. Step 6: Final answer
    x = 9,728.54

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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.