Home / 19,957.45-29,908.37-10,085.21

Finding the Fourth Proportional to 19,957.45, 29,908.37 and 10,085.21

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Solution

The fourth proportional to 19,957.45, 29,908.37 and 10,085.21 is: 15,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.45 : 29,908.37 = 10,085.21 : x
  2. Step 2: Convert to fraction form
    19,957.45/29,908.37 = 10,085.21/x
  3. Step 3: Cross multiply
    19,957.45x = 29,908.37 × 10,085.21
  4. Step 4: Simplify right side
    19,957.45x = 301,632,192.21
  5. Step 5: Solve for x
    x = 301,632,192.21/19,957.45
  6. Step 6: Final answer
    x = 15,113.76

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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.