Home / 9,017.91-12,450.47-6,190.02

Finding the Fourth Proportional to 9,017.91, 12,450.47 and 6,190.02

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Solution

The fourth proportional to 9,017.91, 12,450.47 and 6,190.02 is: 8,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.91 : 12,450.47 = 6,190.02 : x
  2. Step 2: Convert to fraction form
    9,017.91/12,450.47 = 6,190.02/x
  3. Step 3: Cross multiply
    9,017.91x = 12,450.47 × 6,190.02
  4. Step 4: Simplify right side
    9,017.91x = 77,068,627.36
  5. Step 5: Solve for x
    x = 77,068,627.36/9,017.91
  6. Step 6: Final answer
    x = 8,546.17

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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.