Home / 15,418.60-23,111.70-8,830.60

Finding the Fourth Proportional to 15,418.60, 23,111.70 and 8,830.60

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Solution

The fourth proportional to 15,418.60, 23,111.70 and 8,830.60 is: 13,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.60 : 23,111.70 = 8,830.60 : x
  2. Step 2: Convert to fraction form
    15,418.60/23,111.70 = 8,830.60/x
  3. Step 3: Cross multiply
    15,418.60x = 23,111.70 × 8,830.60
  4. Step 4: Simplify right side
    15,418.60x = 204,090,178.02
  5. Step 5: Solve for x
    x = 204,090,178.02/15,418.60
  6. Step 6: Final answer
    x = 13,236.62

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1.5x scale

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.