Home / 13,986.33-19,301.28-7,698.93

Finding the Fourth Proportional to 13,986.33, 19,301.28 and 7,698.93

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Solution

The fourth proportional to 13,986.33, 19,301.28 and 7,698.93 is: 10,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.33 : 19,301.28 = 7,698.93 : x
  2. Step 2: Convert to fraction form
    13,986.33/19,301.28 = 7,698.93/x
  3. Step 3: Cross multiply
    13,986.33x = 19,301.28 × 7,698.93
  4. Step 4: Simplify right side
    13,986.33x = 148,599,203.63
  5. Step 5: Solve for x
    x = 148,599,203.63/13,986.33
  6. Step 6: Final answer
    x = 10,624.60

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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.