Home / 11,659.50-16,090.56-6,623.91

Finding the Fourth Proportional to 11,659.50, 16,090.56 and 6,623.91

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Solution

The fourth proportional to 11,659.50, 16,090.56 and 6,623.91 is: 9,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.50 : 16,090.56 = 6,623.91 : x
  2. Step 2: Convert to fraction form
    11,659.50/16,090.56 = 6,623.91/x
  3. Step 3: Cross multiply
    11,659.50x = 16,090.56 × 6,623.91
  4. Step 4: Simplify right side
    11,659.50x = 106,582,421.29
  5. Step 5: Solve for x
    x = 106,582,421.29/11,659.50
  6. Step 6: Final answer
    x = 9,141.25

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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.