Home / 15,624.43-21,562.07-8,550.87

Finding the Fourth Proportional to 15,624.43, 21,562.07 and 8,550.87

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Solution

The fourth proportional to 15,624.43, 21,562.07 and 8,550.87 is: 11,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.43 : 21,562.07 = 8,550.87 : x
  2. Step 2: Convert to fraction form
    15,624.43/21,562.07 = 8,550.87/x
  3. Step 3: Cross multiply
    15,624.43x = 21,562.07 × 8,550.87
  4. Step 4: Simplify right side
    15,624.43x = 184,374,333.89
  5. Step 5: Solve for x
    x = 184,374,333.89/15,624.43
  6. Step 6: Final answer
    x = 11,800.39

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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.