Home / 15,124.78-22,638.60-8,087.14

Finding the Fourth Proportional to 15,124.78, 22,638.60 and 8,087.14

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Solution

The fourth proportional to 15,124.78, 22,638.60 and 8,087.14 is: 12,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.78 : 22,638.60 = 8,087.14 : x
  2. Step 2: Convert to fraction form
    15,124.78/22,638.60 = 8,087.14/x
  3. Step 3: Cross multiply
    15,124.78x = 22,638.60 × 8,087.14
  4. Step 4: Simplify right side
    15,124.78x = 183,081,527.60
  5. Step 5: Solve for x
    x = 183,081,527.60/15,124.78
  6. Step 6: Final answer
    x = 12,104.74

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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.