Home / 13,021.35-19,498.66-9,013.18

Finding the Fourth Proportional to 13,021.35, 19,498.66 and 9,013.18

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Solution

The fourth proportional to 13,021.35, 19,498.66 and 9,013.18 is: 13,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.35 : 19,498.66 = 9,013.18 : x
  2. Step 2: Convert to fraction form
    13,021.35/19,498.66 = 9,013.18/x
  3. Step 3: Cross multiply
    13,021.35x = 19,498.66 × 9,013.18
  4. Step 4: Simplify right side
    13,021.35x = 175,744,948.32
  5. Step 5: Solve for x
    x = 175,744,948.32/13,021.35
  6. Step 6: Final answer
    x = 13,496.68

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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.