Home / 12,020.96-16,580.58-11,029.52

Finding the Fourth Proportional to 12,020.96, 16,580.58 and 11,029.52

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Solution

The fourth proportional to 12,020.96, 16,580.58 and 11,029.52 is: 15,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.96 : 16,580.58 = 11,029.52 : x
  2. Step 2: Convert to fraction form
    12,020.96/16,580.58 = 11,029.52/x
  3. Step 3: Cross multiply
    12,020.96x = 16,580.58 × 11,029.52
  4. Step 4: Simplify right side
    12,020.96x = 182,875,838.72
  5. Step 5: Solve for x
    x = 182,875,838.72/12,020.96
  6. Step 6: Final answer
    x = 15,213.08

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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.