Home / 11,029.02-15,219.54-6,313.20

Finding the Fourth Proportional to 11,029.02, 15,219.54 and 6,313.20

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Solution

The fourth proportional to 11,029.02, 15,219.54 and 6,313.20 is: 8,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.02 : 15,219.54 = 6,313.20 : x
  2. Step 2: Convert to fraction form
    11,029.02/15,219.54 = 6,313.20/x
  3. Step 3: Cross multiply
    11,029.02x = 15,219.54 × 6,313.20
  4. Step 4: Simplify right side
    11,029.02x = 96,083,999.93
  5. Step 5: Solve for x
    x = 96,083,999.93/11,029.02
  6. Step 6: Final answer
    x = 8,711.93

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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.