Home / 19,444.50-29,139.40-11,112.02

Finding the Fourth Proportional to 19,444.50, 29,139.40 and 11,112.02

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Solution

The fourth proportional to 19,444.50, 29,139.40 and 11,112.02 is: 16,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.50 : 29,139.40 = 11,112.02 : x
  2. Step 2: Convert to fraction form
    19,444.50/29,139.40 = 11,112.02/x
  3. Step 3: Cross multiply
    19,444.50x = 29,139.40 × 11,112.02
  4. Step 4: Simplify right side
    19,444.50x = 323,797,595.59
  5. Step 5: Solve for x
    x = 323,797,595.59/19,444.50
  6. Step 6: Final answer
    x = 16,652.40

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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.