Home / 19,421.68-26,801.82-11,038.18

Finding the Fourth Proportional to 19,421.68, 26,801.82 and 11,038.18

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Solution

The fourth proportional to 19,421.68, 26,801.82 and 11,038.18 is: 15,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.68 : 26,801.82 = 11,038.18 : x
  2. Step 2: Convert to fraction form
    19,421.68/26,801.82 = 11,038.18/x
  3. Step 3: Cross multiply
    19,421.68x = 26,801.82 × 11,038.18
  4. Step 4: Simplify right side
    19,421.68x = 295,843,313.49
  5. Step 5: Solve for x
    x = 295,843,313.49/19,421.68
  6. Step 6: Final answer
    x = 15,232.63

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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.