Home / 13,998.08-19,317.48-7,710.50

Finding the Fourth Proportional to 13,998.08, 19,317.48 and 7,710.50

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Solution

The fourth proportional to 13,998.08, 19,317.48 and 7,710.50 is: 10,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.08 : 19,317.48 = 7,710.50 : x
  2. Step 2: Convert to fraction form
    13,998.08/19,317.48 = 7,710.50/x
  3. Step 3: Cross multiply
    13,998.08x = 19,317.48 × 7,710.50
  4. Step 4: Simplify right side
    13,998.08x = 148,947,429.54
  5. Step 5: Solve for x
    x = 148,947,429.54/13,998.08
  6. Step 6: Final answer
    x = 10,640.56

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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.