Home / 13,013.07-19,514.07-8,855.34

Finding the Fourth Proportional to 13,013.07, 19,514.07 and 8,855.34

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Solution

The fourth proportional to 13,013.07, 19,514.07 and 8,855.34 is: 13,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.07 : 19,514.07 = 8,855.34 : x
  2. Step 2: Convert to fraction form
    13,013.07/19,514.07 = 8,855.34/x
  3. Step 3: Cross multiply
    13,013.07x = 19,514.07 × 8,855.34
  4. Step 4: Simplify right side
    13,013.07x = 172,803,724.63
  5. Step 5: Solve for x
    x = 172,803,724.63/13,013.07
  6. Step 6: Final answer
    x = 13,279.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.