Home / 14,356.39-19,813.68-8,069.98

Finding the Fourth Proportional to 14,356.39, 19,813.68 and 8,069.98

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Solution

The fourth proportional to 14,356.39, 19,813.68 and 8,069.98 is: 11,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.39 : 19,813.68 = 8,069.98 : x
  2. Step 2: Convert to fraction form
    14,356.39/19,813.68 = 8,069.98/x
  3. Step 3: Cross multiply
    14,356.39x = 19,813.68 × 8,069.98
  4. Step 4: Simplify right side
    14,356.39x = 159,896,001.33
  5. Step 5: Solve for x
    x = 159,896,001.33/14,356.39
  6. Step 6: Final answer
    x = 11,137.62

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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.