Home / 13,879.94-19,154.32-7,592.31

Finding the Fourth Proportional to 13,879.94, 19,154.32 and 7,592.31

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Solution

The fourth proportional to 13,879.94, 19,154.32 and 7,592.31 is: 10,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.94 : 19,154.32 = 7,592.31 : x
  2. Step 2: Convert to fraction form
    13,879.94/19,154.32 = 7,592.31/x
  3. Step 3: Cross multiply
    13,879.94x = 19,154.32 × 7,592.31
  4. Step 4: Simplify right side
    13,879.94x = 145,425,535.28
  5. Step 5: Solve for x
    x = 145,425,535.28/13,879.94
  6. Step 6: Final answer
    x = 10,477.39

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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.