Home / 12,795.43-19,184.05-4,891.28

Finding the Fourth Proportional to 12,795.43, 19,184.05 and 4,891.28

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Solution

The fourth proportional to 12,795.43, 19,184.05 and 4,891.28 is: 7,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.43 : 19,184.05 = 4,891.28 : x
  2. Step 2: Convert to fraction form
    12,795.43/19,184.05 = 4,891.28/x
  3. Step 3: Cross multiply
    12,795.43x = 19,184.05 × 4,891.28
  4. Step 4: Simplify right side
    12,795.43x = 93,834,612.04
  5. Step 5: Solve for x
    x = 93,834,612.04/12,795.43
  6. Step 6: Final answer
    x = 7,333.45

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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.