Home / 20,407.22-30,561.06-12,062.30

Finding the Fourth Proportional to 20,407.22, 30,561.06 and 12,062.30

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Solution

The fourth proportional to 20,407.22, 30,561.06 and 12,062.30 is: 18,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407.22 : 30,561.06 = 12,062.30 : x
  2. Step 2: Convert to fraction form
    20,407.22/30,561.06 = 12,062.30/x
  3. Step 3: Cross multiply
    20,407.22x = 30,561.06 × 12,062.30
  4. Step 4: Simplify right side
    20,407.22x = 368,636,674.04
  5. Step 5: Solve for x
    x = 368,636,674.04/20,407.22
  6. Step 6: Final answer
    x = 18,064.03

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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.