Home / 19,515.83-26,938.76-11,558.07

Finding the Fourth Proportional to 19,515.83, 26,938.76 and 11,558.07

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Solution

The fourth proportional to 19,515.83, 26,938.76 and 11,558.07 is: 15,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.83 : 26,938.76 = 11,558.07 : x
  2. Step 2: Convert to fraction form
    19,515.83/26,938.76 = 11,558.07/x
  3. Step 3: Cross multiply
    19,515.83x = 26,938.76 × 11,558.07
  4. Step 4: Simplify right side
    19,515.83x = 311,360,016.00
  5. Step 5: Solve for x
    x = 311,360,016.00/19,515.83
  6. Step 6: Final answer
    x = 15,954.23

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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.