Home / 18,842.48-26,007.40-12,876.56

Finding the Fourth Proportional to 18,842.48, 26,007.40 and 12,876.56

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Solution

The fourth proportional to 18,842.48, 26,007.40 and 12,876.56 is: 17,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.48 : 26,007.40 = 12,876.56 : x
  2. Step 2: Convert to fraction form
    18,842.48/26,007.40 = 12,876.56/x
  3. Step 3: Cross multiply
    18,842.48x = 26,007.40 × 12,876.56
  4. Step 4: Simplify right side
    18,842.48x = 334,885,846.54
  5. Step 5: Solve for x
    x = 334,885,846.54/18,842.48
  6. Step 6: Final answer
    x = 17,772.92

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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.