Home / 15,840.02-21,858.54-8,766.02

Finding the Fourth Proportional to 15,840.02, 21,858.54 and 8,766.02

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Solution

The fourth proportional to 15,840.02, 21,858.54 and 8,766.02 is: 12,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.02 : 21,858.54 = 8,766.02 : x
  2. Step 2: Convert to fraction form
    15,840.02/21,858.54 = 8,766.02/x
  3. Step 3: Cross multiply
    15,840.02x = 21,858.54 × 8,766.02
  4. Step 4: Simplify right side
    15,840.02x = 191,612,398.81
  5. Step 5: Solve for x
    x = 191,612,398.81/15,840.02
  6. Step 6: Final answer
    x = 12,096.73

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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.