Home / 9,533.70-14,300.55-3,990.87

Finding the Fourth Proportional to 9,533.70, 14,300.55 and 3,990.87

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Solution

The fourth proportional to 9,533.70, 14,300.55 and 3,990.87 is: 5,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533.70 : 14,300.55 = 3,990.87 : x
  2. Step 2: Convert to fraction form
    9,533.70/14,300.55 = 3,990.87/x
  3. Step 3: Cross multiply
    9,533.70x = 14,300.55 × 3,990.87
  4. Step 4: Simplify right side
    9,533.70x = 57,071,635.98
  5. Step 5: Solve for x
    x = 57,071,635.98/9,533.70
  6. Step 6: Final answer
    x = 5,986.31

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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.