Home / 19,260.06-28,890.90-9,408.04

Finding the Fourth Proportional to 19,260.06, 28,890.90 and 9,408.04

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Solution

The fourth proportional to 19,260.06, 28,890.90 and 9,408.04 is: 14,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.06 : 28,890.90 = 9,408.04 : x
  2. Step 2: Convert to fraction form
    19,260.06/28,890.90 = 9,408.04/x
  3. Step 3: Cross multiply
    19,260.06x = 28,890.90 × 9,408.04
  4. Step 4: Simplify right side
    19,260.06x = 271,806,742.84
  5. Step 5: Solve for x
    x = 271,806,742.84/19,260.06
  6. Step 6: Final answer
    x = 14,112.46

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1.5x scale

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.