Home / 15,356.40-23,002.20-12,051.60

Finding the Fourth Proportional to 15,356.40, 23,002.20 and 12,051.60

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Solution

The fourth proportional to 15,356.40, 23,002.20 and 12,051.60 is: 18,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.40 : 23,002.20 = 12,051.60 : x
  2. Step 2: Convert to fraction form
    15,356.40/23,002.20 = 12,051.60/x
  3. Step 3: Cross multiply
    15,356.40x = 23,002.20 × 12,051.60
  4. Step 4: Simplify right side
    15,356.40x = 277,213,313.52
  5. Step 5: Solve for x
    x = 277,213,313.52/15,356.40
  6. Step 6: Final answer
    x = 18,051.97

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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.