Home / 19,279.76-26,604.52-11,315.60

Finding the Fourth Proportional to 19,279.76, 26,604.52 and 11,315.60

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Solution

The fourth proportional to 19,279.76, 26,604.52 and 11,315.60 is: 15,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.76 : 26,604.52 = 11,315.60 : x
  2. Step 2: Convert to fraction form
    19,279.76/26,604.52 = 11,315.60/x
  3. Step 3: Cross multiply
    19,279.76x = 26,604.52 × 11,315.60
  4. Step 4: Simplify right side
    19,279.76x = 301,046,106.51
  5. Step 5: Solve for x
    x = 301,046,106.51/19,279.76
  6. Step 6: Final answer
    x = 15,614.62

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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.