Home / 19,010.34-28,515.51-13,171.05

Finding the Fourth Proportional to 19,010.34, 28,515.51 and 13,171.05

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Solution

The fourth proportional to 19,010.34, 28,515.51 and 13,171.05 is: 19,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.34 : 28,515.51 = 13,171.05 : x
  2. Step 2: Convert to fraction form
    19,010.34/28,515.51 = 13,171.05/x
  3. Step 3: Cross multiply
    19,010.34x = 28,515.51 × 13,171.05
  4. Step 4: Simplify right side
    19,010.34x = 375,579,207.99
  5. Step 5: Solve for x
    x = 375,579,207.99/19,010.34
  6. Step 6: Final answer
    x = 19,756.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.