Home / 12,063.45-18,089.10-7,134.60

Finding the Fourth Proportional to 12,063.45, 18,089.10 and 7,134.60

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Solution

The fourth proportional to 12,063.45, 18,089.10 and 7,134.60 is: 10,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.45 : 18,089.10 = 7,134.60 : x
  2. Step 2: Convert to fraction form
    12,063.45/18,089.10 = 7,134.60/x
  3. Step 3: Cross multiply
    12,063.45x = 18,089.10 × 7,134.60
  4. Step 4: Simplify right side
    12,063.45x = 129,058,492.86
  5. Step 5: Solve for x
    x = 129,058,492.86/12,063.45
  6. Step 6: Final answer
    x = 10,698.31

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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.