Home / 11,929.02-16,462.08-6,623.88

Finding the Fourth Proportional to 11,929.02, 16,462.08 and 6,623.88

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Solution

The fourth proportional to 11,929.02, 16,462.08 and 6,623.88 is: 9,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.02 : 16,462.08 = 6,623.88 : x
  2. Step 2: Convert to fraction form
    11,929.02/16,462.08 = 6,623.88/x
  3. Step 3: Cross multiply
    11,929.02x = 16,462.08 × 6,623.88
  4. Step 4: Simplify right side
    11,929.02x = 109,042,842.47
  5. Step 5: Solve for x
    x = 109,042,842.47/11,929.02
  6. Step 6: Final answer
    x = 9,140.97

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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.