Home / 14,299.85-19,733.55-7,839.44

Finding the Fourth Proportional to 14,299.85, 19,733.55 and 7,839.44

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Solution

The fourth proportional to 14,299.85, 19,733.55 and 7,839.44 is: 10,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.85 : 19,733.55 = 7,839.44 : x
  2. Step 2: Convert to fraction form
    14,299.85/19,733.55 = 7,839.44/x
  3. Step 3: Cross multiply
    14,299.85x = 19,733.55 × 7,839.44
  4. Step 4: Simplify right side
    14,299.85x = 154,699,981.21
  5. Step 5: Solve for x
    x = 154,699,981.21/14,299.85
  6. Step 6: Final answer
    x = 10,818.30

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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.