Home / 19,864.38-29,800.41-6,718.89

Finding the Fourth Proportional to 19,864.38, 29,800.41 and 6,718.89

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Solution

The fourth proportional to 19,864.38, 29,800.41 and 6,718.89 is: 10,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.38 : 29,800.41 = 6,718.89 : x
  2. Step 2: Convert to fraction form
    19,864.38/29,800.41 = 6,718.89/x
  3. Step 3: Cross multiply
    19,864.38x = 29,800.41 × 6,718.89
  4. Step 4: Simplify right side
    19,864.38x = 200,225,676.74
  5. Step 5: Solve for x
    x = 200,225,676.74/19,864.38
  6. Step 6: Final answer
    x = 10,079.63

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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.