Home / 20,302.77-30,457.44-6,259.51

Finding the Fourth Proportional to 20,302.77, 30,457.44 and 6,259.51

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Solution

The fourth proportional to 20,302.77, 30,457.44 and 6,259.51 is: 9,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.77 : 30,457.44 = 6,259.51 : x
  2. Step 2: Convert to fraction form
    20,302.77/30,457.44 = 6,259.51/x
  3. Step 3: Cross multiply
    20,302.77x = 30,457.44 × 6,259.51
  4. Step 4: Simplify right side
    20,302.77x = 190,648,650.25
  5. Step 5: Solve for x
    x = 190,648,650.25/20,302.77
  6. Step 6: Final answer
    x = 9,390.28

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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.