Home / 11,009.72-15,191.93-6,230.31

Finding the Fourth Proportional to 11,009.72, 15,191.93 and 6,230.31

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Solution

The fourth proportional to 11,009.72, 15,191.93 and 6,230.31 is: 8,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.72 : 15,191.93 = 6,230.31 : x
  2. Step 2: Convert to fraction form
    11,009.72/15,191.93 = 6,230.31/x
  3. Step 3: Cross multiply
    11,009.72x = 15,191.93 × 6,230.31
  4. Step 4: Simplify right side
    11,009.72x = 94,650,402.25
  5. Step 5: Solve for x
    x = 94,650,402.25/11,009.72
  6. Step 6: Final answer
    x = 8,596.99

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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.