Home / 19,869.93-29,780.69-10,984.91

Finding the Fourth Proportional to 19,869.93, 29,780.69 and 10,984.91

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Solution

The fourth proportional to 19,869.93, 29,780.69 and 10,984.91 is: 16,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.93 : 29,780.69 = 10,984.91 : x
  2. Step 2: Convert to fraction form
    19,869.93/29,780.69 = 10,984.91/x
  3. Step 3: Cross multiply
    19,869.93x = 29,780.69 × 10,984.91
  4. Step 4: Simplify right side
    19,869.93x = 327,137,995.56
  5. Step 5: Solve for x
    x = 327,137,995.56/19,869.93
  6. Step 6: Final answer
    x = 16,463.97

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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.