Home / 15,669.60-21,624.06-8,596.40

Finding the Fourth Proportional to 15,669.60, 21,624.06 and 8,596.40

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Solution

The fourth proportional to 15,669.60, 21,624.06 and 8,596.40 is: 11,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.60 : 21,624.06 = 8,596.40 : x
  2. Step 2: Convert to fraction form
    15,669.60/21,624.06 = 8,596.40/x
  3. Step 3: Cross multiply
    15,669.60x = 21,624.06 × 8,596.40
  4. Step 4: Simplify right side
    15,669.60x = 185,889,069.38
  5. Step 5: Solve for x
    x = 185,889,069.38/15,669.60
  6. Step 6: Final answer
    x = 11,863.04

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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.