Home / 19,402.81-29,079.86-8,296.45

Finding the Fourth Proportional to 19,402.81, 29,079.86 and 8,296.45

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Solution

The fourth proportional to 19,402.81, 29,079.86 and 8,296.45 is: 12,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.81 : 29,079.86 = 8,296.45 : x
  2. Step 2: Convert to fraction form
    19,402.81/29,079.86 = 8,296.45/x
  3. Step 3: Cross multiply
    19,402.81x = 29,079.86 × 8,296.45
  4. Step 4: Simplify right side
    19,402.81x = 241,259,490.32
  5. Step 5: Solve for x
    x = 241,259,490.32/19,402.81
  6. Step 6: Final answer
    x = 12,434.26

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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.