Home / 15,821.58-21,834.22-8,748.26

Finding the Fourth Proportional to 15,821.58, 21,834.22 and 8,748.26

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Solution

The fourth proportional to 15,821.58, 21,834.22 and 8,748.26 is: 12,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.58 : 21,834.22 = 8,748.26 : x
  2. Step 2: Convert to fraction form
    15,821.58/21,834.22 = 8,748.26/x
  3. Step 3: Cross multiply
    15,821.58x = 21,834.22 × 8,748.26
  4. Step 4: Simplify right side
    15,821.58x = 191,011,433.46
  5. Step 5: Solve for x
    x = 191,011,433.46/15,821.58
  6. Step 6: Final answer
    x = 12,072.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.