Home / 19,190.36-28,732.38-9,810.18

Finding the Fourth Proportional to 19,190.36, 28,732.38 and 9,810.18

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Solution

The fourth proportional to 19,190.36, 28,732.38 and 9,810.18 is: 14,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.36 : 28,732.38 = 9,810.18 : x
  2. Step 2: Convert to fraction form
    19,190.36/28,732.38 = 9,810.18/x
  3. Step 3: Cross multiply
    19,190.36x = 28,732.38 × 9,810.18
  4. Step 4: Simplify right side
    19,190.36x = 281,869,819.63
  5. Step 5: Solve for x
    x = 281,869,819.63/19,190.36
  6. Step 6: Final answer
    x = 14,688.09

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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.