Home / 19,498.63-26,908.12-11,002.55

Finding the Fourth Proportional to 19,498.63, 26,908.12 and 11,002.55

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Solution

The fourth proportional to 19,498.63, 26,908.12 and 11,002.55 is: 15,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.63 : 26,908.12 = 11,002.55 : x
  2. Step 2: Convert to fraction form
    19,498.63/26,908.12 = 11,002.55/x
  3. Step 3: Cross multiply
    19,498.63x = 26,908.12 × 11,002.55
  4. Step 4: Simplify right side
    19,498.63x = 296,057,880.69
  5. Step 5: Solve for x
    x = 296,057,880.69/19,498.63
  6. Step 6: Final answer
    x = 15,183.52

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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.