Home / 15,124.06-20,873.96-8,749.77

Finding the Fourth Proportional to 15,124.06, 20,873.96 and 8,749.77

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Solution

The fourth proportional to 15,124.06, 20,873.96 and 8,749.77 is: 12,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.06 : 20,873.96 = 8,749.77 : x
  2. Step 2: Convert to fraction form
    15,124.06/20,873.96 = 8,749.77/x
  3. Step 3: Cross multiply
    15,124.06x = 20,873.96 × 8,749.77
  4. Step 4: Simplify right side
    15,124.06x = 182,642,348.99
  5. Step 5: Solve for x
    x = 182,642,348.99/15,124.06
  6. Step 6: Final answer
    x = 12,076.28

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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.