Home / 19,350.56-29,028.40-9,490.16

Finding the Fourth Proportional to 19,350.56, 29,028.40 and 9,490.16

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Solution

The fourth proportional to 19,350.56, 29,028.40 and 9,490.16 is: 14,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.56 : 29,028.40 = 9,490.16 : x
  2. Step 2: Convert to fraction form
    19,350.56/29,028.40 = 9,490.16/x
  3. Step 3: Cross multiply
    19,350.56x = 29,028.40 × 9,490.16
  4. Step 4: Simplify right side
    19,350.56x = 275,484,160.54
  5. Step 5: Solve for x
    x = 275,484,160.54/19,350.56
  6. Step 6: Final answer
    x = 14,236.50

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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.