Home / 14,458.08-19,949.58-8,791.68

Finding the Fourth Proportional to 14,458.08, 19,949.58 and 8,791.68

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Solution

The fourth proportional to 14,458.08, 19,949.58 and 8,791.68 is: 12,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.08 : 19,949.58 = 8,791.68 : x
  2. Step 2: Convert to fraction form
    14,458.08/19,949.58 = 8,791.68/x
  3. Step 3: Cross multiply
    14,458.08x = 19,949.58 × 8,791.68
  4. Step 4: Simplify right side
    14,458.08x = 175,390,323.49
  5. Step 5: Solve for x
    x = 175,390,323.49/14,458.08
  6. Step 6: Final answer
    x = 12,130.96

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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.