Home / 19,420.68-26,800.44-11,037.18

Finding the Fourth Proportional to 19,420.68, 26,800.44 and 11,037.18

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Solution

The fourth proportional to 19,420.68, 26,800.44 and 11,037.18 is: 15,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.68 : 26,800.44 = 11,037.18 : x
  2. Step 2: Convert to fraction form
    19,420.68/26,800.44 = 11,037.18/x
  3. Step 3: Cross multiply
    19,420.68x = 26,800.44 × 11,037.18
  4. Step 4: Simplify right side
    19,420.68x = 295,801,280.36
  5. Step 5: Solve for x
    x = 295,801,280.36/19,420.68
  6. Step 6: Final answer
    x = 15,231.25

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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.