Home / 14,231.52-19,639.27-7,858.77

Finding the Fourth Proportional to 14,231.52, 19,639.27 and 7,858.77

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Solution

The fourth proportional to 14,231.52, 19,639.27 and 7,858.77 is: 10,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.52 : 19,639.27 = 7,858.77 : x
  2. Step 2: Convert to fraction form
    14,231.52/19,639.27 = 7,858.77/x
  3. Step 3: Cross multiply
    14,231.52x = 19,639.27 × 7,858.77
  4. Step 4: Simplify right side
    14,231.52x = 154,340,505.90
  5. Step 5: Solve for x
    x = 154,340,505.90/14,231.52
  6. Step 6: Final answer
    x = 10,844.98

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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.