Home / 19,921.53-29,856.32-10,055.43

Finding the Fourth Proportional to 19,921.53, 29,856.32 and 10,055.43

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Solution

The fourth proportional to 19,921.53, 29,856.32 and 10,055.43 is: 15,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.53 : 29,856.32 = 10,055.43 : x
  2. Step 2: Convert to fraction form
    19,921.53/29,856.32 = 10,055.43/x
  3. Step 3: Cross multiply
    19,921.53x = 29,856.32 × 10,055.43
  4. Step 4: Simplify right side
    19,921.53x = 300,218,085.54
  5. Step 5: Solve for x
    x = 300,218,085.54/19,921.53
  6. Step 6: Final answer
    x = 15,070.03

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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.