Home / 10,623.48-14,659.34-8,107.21

Finding the Fourth Proportional to 10,623.48, 14,659.34 and 8,107.21

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Solution

The fourth proportional to 10,623.48, 14,659.34 and 8,107.21 is: 11,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.48 : 14,659.34 = 8,107.21 : x
  2. Step 2: Convert to fraction form
    10,623.48/14,659.34 = 8,107.21/x
  3. Step 3: Cross multiply
    10,623.48x = 14,659.34 × 8,107.21
  4. Step 4: Simplify right side
    10,623.48x = 118,846,347.84
  5. Step 5: Solve for x
    x = 118,846,347.84/10,623.48
  6. Step 6: Final answer
    x = 11,187.14

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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.