Home / 19,089.18-26,346.60-11,922.30

Finding the Fourth Proportional to 19,089.18, 26,346.60 and 11,922.30

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Solution

The fourth proportional to 19,089.18, 26,346.60 and 11,922.30 is: 16,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.18 : 26,346.60 = 11,922.30 : x
  2. Step 2: Convert to fraction form
    19,089.18/26,346.60 = 11,922.30/x
  3. Step 3: Cross multiply
    19,089.18x = 26,346.60 × 11,922.30
  4. Step 4: Simplify right side
    19,089.18x = 314,112,069.18
  5. Step 5: Solve for x
    x = 314,112,069.18/19,089.18
  6. Step 6: Final answer
    x = 16,454.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.