Home / 14,189.70-21,284.49-4,328.95

Finding the Fourth Proportional to 14,189.70, 21,284.49 and 4,328.95

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Solution

The fourth proportional to 14,189.70, 21,284.49 and 4,328.95 is: 6,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.70 : 21,284.49 = 4,328.95 : x
  2. Step 2: Convert to fraction form
    14,189.70/21,284.49 = 4,328.95/x
  3. Step 3: Cross multiply
    14,189.70x = 21,284.49 × 4,328.95
  4. Step 4: Simplify right side
    14,189.70x = 92,139,492.99
  5. Step 5: Solve for x
    x = 92,139,492.99/14,189.70
  6. Step 6: Final answer
    x = 6,493.41

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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.