Home / 12,010.74-18,106.20-11,207.93

Finding the Fourth Proportional to 12,010.74, 18,106.20 and 11,207.93

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Solution

The fourth proportional to 12,010.74, 18,106.20 and 11,207.93 is: 16,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.74 : 18,106.20 = 11,207.93 : x
  2. Step 2: Convert to fraction form
    12,010.74/18,106.20 = 11,207.93/x
  3. Step 3: Cross multiply
    12,010.74x = 18,106.20 × 11,207.93
  4. Step 4: Simplify right side
    12,010.74x = 202,932,966.13
  5. Step 5: Solve for x
    x = 202,932,966.13/12,010.74
  6. Step 6: Final answer
    x = 16,895.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.