Home / 14,039.64-21,049.07-6,635.45

Finding the Fourth Proportional to 14,039.64, 21,049.07 and 6,635.45

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Solution

The fourth proportional to 14,039.64, 21,049.07 and 6,635.45 is: 9,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.64 : 21,049.07 = 6,635.45 : x
  2. Step 2: Convert to fraction form
    14,039.64/21,049.07 = 6,635.45/x
  3. Step 3: Cross multiply
    14,039.64x = 21,049.07 × 6,635.45
  4. Step 4: Simplify right side
    14,039.64x = 139,670,070.98
  5. Step 5: Solve for x
    x = 139,670,070.98/14,039.64
  6. Step 6: Final answer
    x = 9,948.27

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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.