Home / 12,260.34-18,390.60-3,495.32

Finding the Fourth Proportional to 12,260.34, 18,390.60 and 3,495.32

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Solution

The fourth proportional to 12,260.34, 18,390.60 and 3,495.32 is: 5,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.34 : 18,390.60 = 3,495.32 : x
  2. Step 2: Convert to fraction form
    12,260.34/18,390.60 = 3,495.32/x
  3. Step 3: Cross multiply
    12,260.34x = 18,390.60 × 3,495.32
  4. Step 4: Simplify right side
    12,260.34x = 64,281,031.99
  5. Step 5: Solve for x
    x = 64,281,031.99/12,260.34
  6. Step 6: Final answer
    x = 5,243.01

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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.