Home / 15,255.36-22,755.36-12,762.24

Finding the Fourth Proportional to 15,255.36, 22,755.36 and 12,762.24

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Solution

The fourth proportional to 15,255.36, 22,755.36 and 12,762.24 is: 19,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.36 : 22,755.36 = 12,762.24 : x
  2. Step 2: Convert to fraction form
    15,255.36/22,755.36 = 12,762.24/x
  3. Step 3: Cross multiply
    15,255.36x = 22,755.36 × 12,762.24
  4. Step 4: Simplify right side
    15,255.36x = 290,409,365.61
  5. Step 5: Solve for x
    x = 290,409,365.61/15,255.36
  6. Step 6: Final answer
    x = 19,036.55

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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.