Home / 13,976.69-19,285.29-8,006.99

Finding the Fourth Proportional to 13,976.69, 19,285.29 and 8,006.99

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Solution

The fourth proportional to 13,976.69, 19,285.29 and 8,006.99 is: 11,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.69 : 19,285.29 = 8,006.99 : x
  2. Step 2: Convert to fraction form
    13,976.69/19,285.29 = 8,006.99/x
  3. Step 3: Cross multiply
    13,976.69x = 19,285.29 × 8,006.99
  4. Step 4: Simplify right side
    13,976.69x = 154,417,124.18
  5. Step 5: Solve for x
    x = 154,417,124.18/13,976.69
  6. Step 6: Final answer
    x = 11,048.19

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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.