Home / 15,624.73-21,559.56-8,910.49

Finding the Fourth Proportional to 15,624.73, 21,559.56 and 8,910.49

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Solution

The fourth proportional to 15,624.73, 21,559.56 and 8,910.49 is: 12,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.73 : 21,559.56 = 8,910.49 : x
  2. Step 2: Convert to fraction form
    15,624.73/21,559.56 = 8,910.49/x
  3. Step 3: Cross multiply
    15,624.73x = 21,559.56 × 8,910.49
  4. Step 4: Simplify right side
    15,624.73x = 192,106,243.78
  5. Step 5: Solve for x
    x = 192,106,243.78/15,624.73
  6. Step 6: Final answer
    x = 12,295.01

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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.