Home / 14,248.10-21,389.70-8,983.10

Finding the Fourth Proportional to 14,248.10, 21,389.70 and 8,983.10

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Solution

The fourth proportional to 14,248.10, 21,389.70 and 8,983.10 is: 13,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.10 : 21,389.70 = 8,983.10 : x
  2. Step 2: Convert to fraction form
    14,248.10/21,389.70 = 8,983.10/x
  3. Step 3: Cross multiply
    14,248.10x = 21,389.70 × 8,983.10
  4. Step 4: Simplify right side
    14,248.10x = 192,145,814.07
  5. Step 5: Solve for x
    x = 192,145,814.07/14,248.10
  6. Step 6: Final answer
    x = 13,485.71

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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.