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Finding the Fourth Proportional to 9,390.16, 12,957.06 and 6,033.26

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Solution

The fourth proportional to 9,390.16, 12,957.06 and 6,033.26 is: 8,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.16 : 12,957.06 = 6,033.26 : x
  2. Step 2: Convert to fraction form
    9,390.16/12,957.06 = 6,033.26/x
  3. Step 3: Cross multiply
    9,390.16x = 12,957.06 × 6,033.26
  4. Step 4: Simplify right side
    9,390.16x = 78,173,311.82
  5. Step 5: Solve for x
    x = 78,173,311.82/9,390.16
  6. Step 6: Final answer
    x = 8,325.02

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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.