Home / 19,541.07-26,938.33-12,815.03

Finding the Fourth Proportional to 19,541.07, 26,938.33 and 12,815.03

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Solution

The fourth proportional to 19,541.07, 26,938.33 and 12,815.03 is: 17,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.07 : 26,938.33 = 12,815.03 : x
  2. Step 2: Convert to fraction form
    19,541.07/26,938.33 = 12,815.03/x
  3. Step 3: Cross multiply
    19,541.07x = 26,938.33 × 12,815.03
  4. Step 4: Simplify right side
    19,541.07x = 345,215,542.41
  5. Step 5: Solve for x
    x = 345,215,542.41/19,541.07
  6. Step 6: Final answer
    x = 17,666.15

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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.