Home / 13,918.68-19,208.27-7,950.26

Finding the Fourth Proportional to 13,918.68, 19,208.27 and 7,950.26

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Solution

The fourth proportional to 13,918.68, 19,208.27 and 7,950.26 is: 10,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.68 : 19,208.27 = 7,950.26 : x
  2. Step 2: Convert to fraction form
    13,918.68/19,208.27 = 7,950.26/x
  3. Step 3: Cross multiply
    13,918.68x = 19,208.27 × 7,950.26
  4. Step 4: Simplify right side
    13,918.68x = 152,710,740.65
  5. Step 5: Solve for x
    x = 152,710,740.65/13,918.68
  6. Step 6: Final answer
    x = 10,971.64

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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.