Home / 19,423.40-26,790.09-12,698.24

Finding the Fourth Proportional to 19,423.40, 26,790.09 and 12,698.24

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Solution

The fourth proportional to 19,423.40, 26,790.09 and 12,698.24 is: 17,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.40 : 26,790.09 = 12,698.24 : x
  2. Step 2: Convert to fraction form
    19,423.40/26,790.09 = 12,698.24/x
  3. Step 3: Cross multiply
    19,423.40x = 26,790.09 × 12,698.24
  4. Step 4: Simplify right side
    19,423.40x = 340,186,992.44
  5. Step 5: Solve for x
    x = 340,186,992.44/19,423.40
  6. Step 6: Final answer
    x = 17,514.29

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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.