Home / 9,690.40-14,557.20-9,296.80

Finding the Fourth Proportional to 9,690.40, 14,557.20 and 9,296.80

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Solution

The fourth proportional to 9,690.40, 14,557.20 and 9,296.80 is: 13,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.40 : 14,557.20 = 9,296.80 : x
  2. Step 2: Convert to fraction form
    9,690.40/14,557.20 = 9,296.80/x
  3. Step 3: Cross multiply
    9,690.40x = 14,557.20 × 9,296.80
  4. Step 4: Simplify right side
    9,690.40x = 135,335,376.96
  5. Step 5: Solve for x
    x = 135,335,376.96/9,690.40
  6. Step 6: Final answer
    x = 13,965.92

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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.