Home / 45,207.56-67,803.60-11,927.97

Finding the Fourth Proportional to 45,207.56, 67,803.60 and 11,927.97

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Solution

The fourth proportional to 45,207.56, 67,803.60 and 11,927.97 is: 17,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207.56 : 67,803.60 = 11,927.97 : x
  2. Step 2: Convert to fraction form
    45,207.56/67,803.60 = 11,927.97/x
  3. Step 3: Cross multiply
    45,207.56x = 67,803.60 × 11,927.97
  4. Step 4: Simplify right side
    45,207.56x = 808,759,306.69
  5. Step 5: Solve for x
    x = 808,759,306.69/45,207.56
  6. Step 6: Final answer
    x = 17,889.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.