Home / 19,247.90-28,873.82-5,207.99

Finding the Fourth Proportional to 19,247.90, 28,873.82 and 5,207.99

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Solution

The fourth proportional to 19,247.90, 28,873.82 and 5,207.99 is: 7,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.90 : 28,873.82 = 5,207.99 : x
  2. Step 2: Convert to fraction form
    19,247.90/28,873.82 = 5,207.99/x
  3. Step 3: Cross multiply
    19,247.90x = 28,873.82 × 5,207.99
  4. Step 4: Simplify right side
    19,247.90x = 150,374,434.47
  5. Step 5: Solve for x
    x = 150,374,434.47/19,247.90
  6. Step 6: Final answer
    x = 7,812.51

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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.