Home / 13,955.84-19,259.52-7,668.48

Finding the Fourth Proportional to 13,955.84, 19,259.52 and 7,668.48

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Solution

The fourth proportional to 13,955.84, 19,259.52 and 7,668.48 is: 10,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.84 : 19,259.52 = 7,668.48 : x
  2. Step 2: Convert to fraction form
    13,955.84/19,259.52 = 7,668.48/x
  3. Step 3: Cross multiply
    13,955.84x = 19,259.52 × 7,668.48
  4. Step 4: Simplify right side
    13,955.84x = 147,691,243.93
  5. Step 5: Solve for x
    x = 147,691,243.93/13,955.84
  6. Step 6: Final answer
    x = 10,582.76

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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.