Home / 12,609.45-18,913.77-5,208.26

Finding the Fourth Proportional to 12,609.45, 18,913.77 and 5,208.26

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Solution

The fourth proportional to 12,609.45, 18,913.77 and 5,208.26 is: 7,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.45 : 18,913.77 = 5,208.26 : x
  2. Step 2: Convert to fraction form
    12,609.45/18,913.77 = 5,208.26/x
  3. Step 3: Cross multiply
    12,609.45x = 18,913.77 × 5,208.26
  4. Step 4: Simplify right side
    12,609.45x = 98,507,737.17
  5. Step 5: Solve for x
    x = 98,507,737.17/12,609.45
  6. Step 6: Final answer
    x = 7,812.22

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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.