Home / 20,652.77-30,999.65-9,561.92

Finding the Fourth Proportional to 20,652.77, 30,999.65 and 9,561.92

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Solution

The fourth proportional to 20,652.77, 30,999.65 and 9,561.92 is: 14,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.77 : 30,999.65 = 9,561.92 : x
  2. Step 2: Convert to fraction form
    20,652.77/30,999.65 = 9,561.92/x
  3. Step 3: Cross multiply
    20,652.77x = 30,999.65 × 9,561.92
  4. Step 4: Simplify right side
    20,652.77x = 296,415,970.52
  5. Step 5: Solve for x
    x = 296,415,970.52/20,652.77
  6. Step 6: Final answer
    x = 14,352.36

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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.