Home / 20,892.33-31,341.38-7,045.29

Finding the Fourth Proportional to 20,892.33, 31,341.38 and 7,045.29

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Solution

The fourth proportional to 20,892.33, 31,341.38 and 7,045.29 is: 10,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.33 : 31,341.38 = 7,045.29 : x
  2. Step 2: Convert to fraction form
    20,892.33/31,341.38 = 7,045.29/x
  3. Step 3: Cross multiply
    20,892.33x = 31,341.38 × 7,045.29
  4. Step 4: Simplify right side
    20,892.33x = 220,809,075.87
  5. Step 5: Solve for x
    x = 220,809,075.87/20,892.33
  6. Step 6: Final answer
    x = 10,568.91

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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.