Home / 21,081.02-29,094.86-12,583.50

Finding the Fourth Proportional to 21,081.02, 29,094.86 and 12,583.50

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Solution

The fourth proportional to 21,081.02, 29,094.86 and 12,583.50 is: 17,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,081.02 : 29,094.86 = 12,583.50 : x
  2. Step 2: Convert to fraction form
    21,081.02/29,094.86 = 12,583.50/x
  3. Step 3: Cross multiply
    21,081.02x = 29,094.86 × 12,583.50
  4. Step 4: Simplify right side
    21,081.02x = 366,115,170.81
  5. Step 5: Solve for x
    x = 366,115,170.81/21,081.02
  6. Step 6: Final answer
    x = 17,367.05

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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.