Home / 20,577.03-30,840.77-9,468.51

Finding the Fourth Proportional to 20,577.03, 30,840.77 and 9,468.51

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Solution

The fourth proportional to 20,577.03, 30,840.77 and 9,468.51 is: 14,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.03 : 30,840.77 = 9,468.51 : x
  2. Step 2: Convert to fraction form
    20,577.03/30,840.77 = 9,468.51/x
  3. Step 3: Cross multiply
    20,577.03x = 30,840.77 × 9,468.51
  4. Step 4: Simplify right side
    20,577.03x = 292,016,091.81
  5. Step 5: Solve for x
    x = 292,016,091.81/20,577.03
  6. Step 6: Final answer
    x = 14,191.36

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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.