Home / 13,956.27-19,259.49-7,668.63

Finding the Fourth Proportional to 13,956.27, 19,259.49 and 7,668.63

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Solution

The fourth proportional to 13,956.27, 19,259.49 and 7,668.63 is: 10,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.27 : 19,259.49 = 7,668.63 : x
  2. Step 2: Convert to fraction form
    13,956.27/19,259.49 = 7,668.63/x
  3. Step 3: Cross multiply
    13,956.27x = 19,259.49 × 7,668.63
  4. Step 4: Simplify right side
    13,956.27x = 147,693,902.80
  5. Step 5: Solve for x
    x = 147,693,902.80/13,956.27
  6. Step 6: Final answer
    x = 10,582.62

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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.