Home / 10,005.56-15,006.63-4,160.60

Finding the Fourth Proportional to 10,005.56, 15,006.63 and 4,160.60

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Solution

The fourth proportional to 10,005.56, 15,006.63 and 4,160.60 is: 6,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.56 : 15,006.63 = 4,160.60 : x
  2. Step 2: Convert to fraction form
    10,005.56/15,006.63 = 4,160.60/x
  3. Step 3: Cross multiply
    10,005.56x = 15,006.63 × 4,160.60
  4. Step 4: Simplify right side
    10,005.56x = 62,436,584.78
  5. Step 5: Solve for x
    x = 62,436,584.78/10,005.56
  6. Step 6: Final answer
    x = 6,240.19

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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.