Home / 19,899.32-29,851.61-6,748.16

Finding the Fourth Proportional to 19,899.32, 29,851.61 and 6,748.16

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Solution

The fourth proportional to 19,899.32, 29,851.61 and 6,748.16 is: 10,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.32 : 29,851.61 = 6,748.16 : x
  2. Step 2: Convert to fraction form
    19,899.32/29,851.61 = 6,748.16/x
  3. Step 3: Cross multiply
    19,899.32x = 29,851.61 × 6,748.16
  4. Step 4: Simplify right side
    19,899.32x = 201,443,257.54
  5. Step 5: Solve for x
    x = 201,443,257.54/19,899.32
  6. Step 6: Final answer
    x = 10,123.13

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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.