Home / 15,237.60-21,028.32-8,523.48

Finding the Fourth Proportional to 15,237.60, 21,028.32 and 8,523.48

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Solution

The fourth proportional to 15,237.60, 21,028.32 and 8,523.48 is: 11,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.60 : 21,028.32 = 8,523.48 : x
  2. Step 2: Convert to fraction form
    15,237.60/21,028.32 = 8,523.48/x
  3. Step 3: Cross multiply
    15,237.60x = 21,028.32 × 8,523.48
  4. Step 4: Simplify right side
    15,237.60x = 179,234,464.95
  5. Step 5: Solve for x
    x = 179,234,464.95/15,237.60
  6. Step 6: Final answer
    x = 11,762.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.