Home / 15,671.02-21,622.52-8,954.50

Finding the Fourth Proportional to 15,671.02, 21,622.52 and 8,954.50

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Solution

The fourth proportional to 15,671.02, 21,622.52 and 8,954.50 is: 12,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.02 : 21,622.52 = 8,954.50 : x
  2. Step 2: Convert to fraction form
    15,671.02/21,622.52 = 8,954.50/x
  3. Step 3: Cross multiply
    15,671.02x = 21,622.52 × 8,954.50
  4. Step 4: Simplify right side
    15,671.02x = 193,618,855.34
  5. Step 5: Solve for x
    x = 193,618,855.34/15,671.02
  6. Step 6: Final answer
    x = 12,355.22

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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.