Home / 20,609.40-30,916.26-6,755.16

Finding the Fourth Proportional to 20,609.40, 30,916.26 and 6,755.16

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Solution

The fourth proportional to 20,609.40, 30,916.26 and 6,755.16 is: 10,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.40 : 30,916.26 = 6,755.16 : x
  2. Step 2: Convert to fraction form
    20,609.40/30,916.26 = 6,755.16/x
  3. Step 3: Cross multiply
    20,609.40x = 30,916.26 × 6,755.16
  4. Step 4: Simplify right side
    20,609.40x = 208,844,282.90
  5. Step 5: Solve for x
    x = 208,844,282.90/20,609.40
  6. Step 6: Final answer
    x = 10,133.45

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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.