Home / 19,695.75-29,510.73-13,841.88

Finding the Fourth Proportional to 19,695.75, 29,510.73 and 13,841.88

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Solution

The fourth proportional to 19,695.75, 29,510.73 and 13,841.88 is: 20,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.75 : 29,510.73 = 13,841.88 : x
  2. Step 2: Convert to fraction form
    19,695.75/29,510.73 = 13,841.88/x
  3. Step 3: Cross multiply
    19,695.75x = 29,510.73 × 13,841.88
  4. Step 4: Simplify right side
    19,695.75x = 408,483,983.37
  5. Step 5: Solve for x
    x = 408,483,983.37/19,695.75
  6. Step 6: Final answer
    x = 20,739.70

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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.