Home / 14,339.51-21,484.99-8,781.24

Finding the Fourth Proportional to 14,339.51, 21,484.99 and 8,781.24

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Solution

The fourth proportional to 14,339.51, 21,484.99 and 8,781.24 is: 13,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.51 : 21,484.99 = 8,781.24 : x
  2. Step 2: Convert to fraction form
    14,339.51/21,484.99 = 8,781.24/x
  3. Step 3: Cross multiply
    14,339.51x = 21,484.99 × 8,781.24
  4. Step 4: Simplify right side
    14,339.51x = 188,664,945.13
  5. Step 5: Solve for x
    x = 188,664,945.13/14,339.51
  6. Step 6: Final answer
    x = 13,157.00

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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.