Home / 15,024.08-20,733.28-8,309.60

Finding the Fourth Proportional to 15,024.08, 20,733.28 and 8,309.60

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Solution

The fourth proportional to 15,024.08, 20,733.28 and 8,309.60 is: 11,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.08 : 20,733.28 = 8,309.60 : x
  2. Step 2: Convert to fraction form
    15,024.08/20,733.28 = 8,309.60/x
  3. Step 3: Cross multiply
    15,024.08x = 20,733.28 × 8,309.60
  4. Step 4: Simplify right side
    15,024.08x = 172,285,263.49
  5. Step 5: Solve for x
    x = 172,285,263.49/15,024.08
  6. Step 6: Final answer
    x = 11,467.28

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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.