Home / 18,930.78-26,124.52-11,377.23

Finding the Fourth Proportional to 18,930.78, 26,124.52 and 11,377.23

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Solution

The fourth proportional to 18,930.78, 26,124.52 and 11,377.23 is: 15,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.78 : 26,124.52 = 11,377.23 : x
  2. Step 2: Convert to fraction form
    18,930.78/26,124.52 = 11,377.23/x
  3. Step 3: Cross multiply
    18,930.78x = 26,124.52 × 11,377.23
  4. Step 4: Simplify right side
    18,930.78x = 297,224,615.79
  5. Step 5: Solve for x
    x = 297,224,615.79/18,930.78
  6. Step 6: Final answer
    x = 15,700.60

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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.