Home / 19,535.76-26,968.68-11,150.64

Finding the Fourth Proportional to 19,535.76, 26,968.68 and 11,150.64

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Solution

The fourth proportional to 19,535.76, 26,968.68 and 11,150.64 is: 15,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.76 : 26,968.68 = 11,150.64 : x
  2. Step 2: Convert to fraction form
    19,535.76/26,968.68 = 11,150.64/x
  3. Step 3: Cross multiply
    19,535.76x = 26,968.68 × 11,150.64
  4. Step 4: Simplify right side
    19,535.76x = 300,718,041.96
  5. Step 5: Solve for x
    x = 300,718,041.96/19,535.76
  6. Step 6: Final answer
    x = 15,393.21

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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.