Home / 14,292.60-21,435.66-6,390.96

Finding the Fourth Proportional to 14,292.60, 21,435.66 and 6,390.96

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Solution

The fourth proportional to 14,292.60, 21,435.66 and 6,390.96 is: 9,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.60 : 21,435.66 = 6,390.96 : x
  2. Step 2: Convert to fraction form
    14,292.60/21,435.66 = 6,390.96/x
  3. Step 3: Cross multiply
    14,292.60x = 21,435.66 × 6,390.96
  4. Step 4: Simplify right side
    14,292.60x = 136,994,445.63
  5. Step 5: Solve for x
    x = 136,994,445.63/14,292.60
  6. Step 6: Final answer
    x = 9,584.99

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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.