Home / 14,458.11-19,950.08-8,491.70

Finding the Fourth Proportional to 14,458.11, 19,950.08 and 8,491.70

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Solution

The fourth proportional to 14,458.11, 19,950.08 and 8,491.70 is: 11,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.11 : 19,950.08 = 8,491.70 : x
  2. Step 2: Convert to fraction form
    14,458.11/19,950.08 = 8,491.70/x
  3. Step 3: Cross multiply
    14,458.11x = 19,950.08 × 8,491.70
  4. Step 4: Simplify right side
    14,458.11x = 169,410,165.44
  5. Step 5: Solve for x
    x = 169,410,165.44/14,458.11
  6. Step 6: Final answer
    x = 11,717.31

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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.