Home / 15,669.81-21,624.34-8,596.25

Finding the Fourth Proportional to 15,669.81, 21,624.34 and 8,596.25

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Solution

The fourth proportional to 15,669.81, 21,624.34 and 8,596.25 is: 11,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.81 : 21,624.34 = 8,596.25 : x
  2. Step 2: Convert to fraction form
    15,669.81/21,624.34 = 8,596.25/x
  3. Step 3: Cross multiply
    15,669.81x = 21,624.34 × 8,596.25
  4. Step 4: Simplify right side
    15,669.81x = 185,888,232.73
  5. Step 5: Solve for x
    x = 185,888,232.73/15,669.81
  6. Step 6: Final answer
    x = 11,862.83

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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.