Home / 14,259.80-21,389.98-4,899.72

Finding the Fourth Proportional to 14,259.80, 21,389.98 and 4,899.72

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Solution

The fourth proportional to 14,259.80, 21,389.98 and 4,899.72 is: 7,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.80 : 21,389.98 = 4,899.72 : x
  2. Step 2: Convert to fraction form
    14,259.80/21,389.98 = 4,899.72/x
  3. Step 3: Cross multiply
    14,259.80x = 21,389.98 × 4,899.72
  4. Step 4: Simplify right side
    14,259.80x = 104,804,912.81
  5. Step 5: Solve for x
    x = 104,804,912.81/14,259.80
  6. Step 6: Final answer
    x = 7,349.68

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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.