Home / 19,683.98-27,163.50-10,731.54

Finding the Fourth Proportional to 19,683.98, 27,163.50 and 10,731.54

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Solution

The fourth proportional to 19,683.98, 27,163.50 and 10,731.54 is: 14,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.98 : 27,163.50 = 10,731.54 : x
  2. Step 2: Convert to fraction form
    19,683.98/27,163.50 = 10,731.54/x
  3. Step 3: Cross multiply
    19,683.98x = 27,163.50 × 10,731.54
  4. Step 4: Simplify right side
    19,683.98x = 291,506,186.79
  5. Step 5: Solve for x
    x = 291,506,186.79/19,683.98
  6. Step 6: Final answer
    x = 14,809.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.