Home / 18,609.59-25,670.44-12,237.32

Finding the Fourth Proportional to 18,609.59, 25,670.44 and 12,237.32

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Solution

The fourth proportional to 18,609.59, 25,670.44 and 12,237.32 is: 16,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.59 : 25,670.44 = 12,237.32 : x
  2. Step 2: Convert to fraction form
    18,609.59/25,670.44 = 12,237.32/x
  3. Step 3: Cross multiply
    18,609.59x = 25,670.44 × 12,237.32
  4. Step 4: Simplify right side
    18,609.59x = 314,137,388.82
  5. Step 5: Solve for x
    x = 314,137,388.82/18,609.59
  6. Step 6: Final answer
    x = 16,880.40

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1.5x scale

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.