Home / 9,690.12-14,534.70-3,116.16

Finding the Fourth Proportional to 9,690.12, 14,534.70 and 3,116.16

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Solution

The fourth proportional to 9,690.12, 14,534.70 and 3,116.16 is: 4,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.12 : 14,534.70 = 3,116.16 : x
  2. Step 2: Convert to fraction form
    9,690.12/14,534.70 = 3,116.16/x
  3. Step 3: Cross multiply
    9,690.12x = 14,534.70 × 3,116.16
  4. Step 4: Simplify right side
    9,690.12x = 45,292,450.75
  5. Step 5: Solve for x
    x = 45,292,450.75/9,690.12
  6. Step 6: Final answer
    x = 4,674.09

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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.