Home / 13,526.78-20,292.49-4,166.62

Finding the Fourth Proportional to 13,526.78, 20,292.49 and 4,166.62

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Solution

The fourth proportional to 13,526.78, 20,292.49 and 4,166.62 is: 6,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.78 : 20,292.49 = 4,166.62 : x
  2. Step 2: Convert to fraction form
    13,526.78/20,292.49 = 4,166.62/x
  3. Step 3: Cross multiply
    13,526.78x = 20,292.49 × 4,166.62
  4. Step 4: Simplify right side
    13,526.78x = 84,551,094.68
  5. Step 5: Solve for x
    x = 84,551,094.68/13,526.78
  6. Step 6: Final answer
    x = 6,250.64

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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.