Home / 9,835.20-14,731.20-7,626.60

Finding the Fourth Proportional to 9,835.20, 14,731.20 and 7,626.60

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Solution

The fourth proportional to 9,835.20, 14,731.20 and 7,626.60 is: 11,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.20 : 14,731.20 = 7,626.60 : x
  2. Step 2: Convert to fraction form
    9,835.20/14,731.20 = 7,626.60/x
  3. Step 3: Cross multiply
    9,835.20x = 14,731.20 × 7,626.60
  4. Step 4: Simplify right side
    9,835.20x = 112,348,969.92
  5. Step 5: Solve for x
    x = 112,348,969.92/9,835.20
  6. Step 6: Final answer
    x = 11,423.15

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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.