Home / 15,151.74-22,647.84-13,161.60

Finding the Fourth Proportional to 15,151.74, 22,647.84 and 13,161.60

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Solution

The fourth proportional to 15,151.74, 22,647.84 and 13,161.60 is: 19,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.74 : 22,647.84 = 13,161.60 : x
  2. Step 2: Convert to fraction form
    15,151.74/22,647.84 = 13,161.60/x
  3. Step 3: Cross multiply
    15,151.74x = 22,647.84 × 13,161.60
  4. Step 4: Simplify right side
    15,151.74x = 298,081,810.94
  5. Step 5: Solve for x
    x = 298,081,810.94/15,151.74
  6. Step 6: Final answer
    x = 19,673.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.