Home / 19,434.98-29,156.80-6,287.06

Finding the Fourth Proportional to 19,434.98, 29,156.80 and 6,287.06

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Solution

The fourth proportional to 19,434.98, 29,156.80 and 6,287.06 is: 9,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.98 : 29,156.80 = 6,287.06 : x
  2. Step 2: Convert to fraction form
    19,434.98/29,156.80 = 6,287.06/x
  3. Step 3: Cross multiply
    19,434.98x = 29,156.80 × 6,287.06
  4. Step 4: Simplify right side
    19,434.98x = 183,310,551.01
  5. Step 5: Solve for x
    x = 183,310,551.01/19,434.98
  6. Step 6: Final answer
    x = 9,431.99

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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.