Home / 20,312.32-30,457.32-6,268.49

Finding the Fourth Proportional to 20,312.32, 30,457.32 and 6,268.49

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Solution

The fourth proportional to 20,312.32, 30,457.32 and 6,268.49 is: 9,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.32 : 30,457.32 = 6,268.49 : x
  2. Step 2: Convert to fraction form
    20,312.32/30,457.32 = 6,268.49/x
  3. Step 3: Cross multiply
    20,312.32x = 30,457.32 × 6,268.49
  4. Step 4: Simplify right side
    20,312.32x = 190,921,344.27
  5. Step 5: Solve for x
    x = 190,921,344.27/20,312.32
  6. Step 6: Final answer
    x = 9,399.29

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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.