Home / 14,039.85-21,059.73-9,643.98

Finding the Fourth Proportional to 14,039.85, 21,059.73 and 9,643.98

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Solution

The fourth proportional to 14,039.85, 21,059.73 and 9,643.98 is: 14,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.85 : 21,059.73 = 9,643.98 : x
  2. Step 2: Convert to fraction form
    14,039.85/21,059.73 = 9,643.98/x
  3. Step 3: Cross multiply
    14,039.85x = 21,059.73 × 9,643.98
  4. Step 4: Simplify right side
    14,039.85x = 203,099,614.93
  5. Step 5: Solve for x
    x = 203,099,614.93/14,039.85
  6. Step 6: Final answer
    x = 14,465.94

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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.