Home / 12,609.37-18,946.32-9,518.48

Finding the Fourth Proportional to 12,609.37, 18,946.32 and 9,518.48

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Solution

The fourth proportional to 12,609.37, 18,946.32 and 9,518.48 is: 14,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.37 : 18,946.32 = 9,518.48 : x
  2. Step 2: Convert to fraction form
    12,609.37/18,946.32 = 9,518.48/x
  3. Step 3: Cross multiply
    12,609.37x = 18,946.32 × 9,518.48
  4. Step 4: Simplify right side
    12,609.37x = 180,340,167.99
  5. Step 5: Solve for x
    x = 180,340,167.99/12,609.37
  6. Step 6: Final answer
    x = 14,302.08

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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.