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Finding the Fourth Proportional to 9,430.90, 13,014.90 and 6,080.20

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Solution

The fourth proportional to 9,430.90, 13,014.90 and 6,080.20 is: 8,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.90 : 13,014.90 = 6,080.20 : x
  2. Step 2: Convert to fraction form
    9,430.90/13,014.90 = 6,080.20/x
  3. Step 3: Cross multiply
    9,430.90x = 13,014.90 × 6,080.20
  4. Step 4: Simplify right side
    9,430.90x = 79,133,194.98
  5. Step 5: Solve for x
    x = 79,133,194.98/9,430.90
  6. Step 6: Final answer
    x = 8,390.84

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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.