Home / 11,240.02-15,509.19-6,992.20

Finding the Fourth Proportional to 11,240.02, 15,509.19 and 6,992.20

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Solution

The fourth proportional to 11,240.02, 15,509.19 and 6,992.20 is: 9,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.02 : 15,509.19 = 6,992.20 : x
  2. Step 2: Convert to fraction form
    11,240.02/15,509.19 = 6,992.20/x
  3. Step 3: Cross multiply
    11,240.02x = 15,509.19 × 6,992.20
  4. Step 4: Simplify right side
    11,240.02x = 108,443,358.32
  5. Step 5: Solve for x
    x = 108,443,358.32/11,240.02
  6. Step 6: Final answer
    x = 9,647.97

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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.