Home / 19,995.43-29,930.23-13,718.74

Finding the Fourth Proportional to 19,995.43, 29,930.23 and 13,718.74

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Solution

The fourth proportional to 19,995.43, 29,930.23 and 13,718.74 is: 20,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.43 : 29,930.23 = 13,718.74 : x
  2. Step 2: Convert to fraction form
    19,995.43/29,930.23 = 13,718.74/x
  3. Step 3: Cross multiply
    19,995.43x = 29,930.23 × 13,718.74
  4. Step 4: Simplify right side
    19,995.43x = 410,605,043.51
  5. Step 5: Solve for x
    x = 410,605,043.51/19,995.43
  6. Step 6: Final answer
    x = 20,534.94

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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.