Home / 15,021.90-22,506.30-13,392.90

Finding the Fourth Proportional to 15,021.90, 22,506.30 and 13,392.90

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Solution

The fourth proportional to 15,021.90, 22,506.30 and 13,392.90 is: 20,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.90 : 22,506.30 = 13,392.90 : x
  2. Step 2: Convert to fraction form
    15,021.90/22,506.30 = 13,392.90/x
  3. Step 3: Cross multiply
    15,021.90x = 22,506.30 × 13,392.90
  4. Step 4: Simplify right side
    15,021.90x = 301,424,625.27
  5. Step 5: Solve for x
    x = 301,424,625.27/15,021.90
  6. Step 6: Final answer
    x = 20,065.68

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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.