Home / 19,135.96-28,703.62-5,988.20

Finding the Fourth Proportional to 19,135.96, 28,703.62 and 5,988.20

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Solution

The fourth proportional to 19,135.96, 28,703.62 and 5,988.20 is: 8,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.96 : 28,703.62 = 5,988.20 : x
  2. Step 2: Convert to fraction form
    19,135.96/28,703.62 = 5,988.20/x
  3. Step 3: Cross multiply
    19,135.96x = 28,703.62 × 5,988.20
  4. Step 4: Simplify right side
    19,135.96x = 171,883,017.28
  5. Step 5: Solve for x
    x = 171,883,017.28/19,135.96
  6. Step 6: Final answer
    x = 8,982.20

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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.