Home / 14,453.34-19,944.38-8,079.45

Finding the Fourth Proportional to 14,453.34, 19,944.38 and 8,079.45

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Solution

The fourth proportional to 14,453.34, 19,944.38 and 8,079.45 is: 11,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.34 : 19,944.38 = 8,079.45 : x
  2. Step 2: Convert to fraction form
    14,453.34/19,944.38 = 8,079.45/x
  3. Step 3: Cross multiply
    14,453.34x = 19,944.38 × 8,079.45
  4. Step 4: Simplify right side
    14,453.34x = 161,139,520.95
  5. Step 5: Solve for x
    x = 161,139,520.95/14,453.34
  6. Step 6: Final answer
    x = 11,148.95

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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.