Home / 14,329.41-21,491.26-7,211.74

Finding the Fourth Proportional to 14,329.41, 21,491.26 and 7,211.74

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Solution

The fourth proportional to 14,329.41, 21,491.26 and 7,211.74 is: 10,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.41 : 21,491.26 = 7,211.74 : x
  2. Step 2: Convert to fraction form
    14,329.41/21,491.26 = 7,211.74/x
  3. Step 3: Cross multiply
    14,329.41x = 21,491.26 × 7,211.74
  4. Step 4: Simplify right side
    14,329.41x = 154,989,379.39
  5. Step 5: Solve for x
    x = 154,989,379.39/14,329.41
  6. Step 6: Final answer
    x = 10,816.17

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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.