Home / 9,403.40-14,112.30-3,485.90

Finding the Fourth Proportional to 9,403.40, 14,112.30 and 3,485.90

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Solution

The fourth proportional to 9,403.40, 14,112.30 and 3,485.90 is: 5,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.40 : 14,112.30 = 3,485.90 : x
  2. Step 2: Convert to fraction form
    9,403.40/14,112.30 = 3,485.90/x
  3. Step 3: Cross multiply
    9,403.40x = 14,112.30 × 3,485.90
  4. Step 4: Simplify right side
    9,403.40x = 49,194,066.57
  5. Step 5: Solve for x
    x = 49,194,066.57/9,403.40
  6. Step 6: Final answer
    x = 5,231.52

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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.