Home / 19,135.62-28,703.43-6,655.71

Finding the Fourth Proportional to 19,135.62, 28,703.43 and 6,655.71

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Solution

The fourth proportional to 19,135.62, 28,703.43 and 6,655.71 is: 9,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.62 : 28,703.43 = 6,655.71 : x
  2. Step 2: Convert to fraction form
    19,135.62/28,703.43 = 6,655.71/x
  3. Step 3: Cross multiply
    19,135.62x = 28,703.43 × 6,655.71
  4. Step 4: Simplify right side
    19,135.62x = 191,041,706.09
  5. Step 5: Solve for x
    x = 191,041,706.09/19,135.62
  6. Step 6: Final answer
    x = 9,983.57

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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.