Home / 20,394.60-30,567.60-8,548.35

Finding the Fourth Proportional to 20,394.60, 30,567.60 and 8,548.35

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Solution

The fourth proportional to 20,394.60, 30,567.60 and 8,548.35 is: 12,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.60 : 30,567.60 = 8,548.35 : x
  2. Step 2: Convert to fraction form
    20,394.60/30,567.60 = 8,548.35/x
  3. Step 3: Cross multiply
    20,394.60x = 30,567.60 × 8,548.35
  4. Step 4: Simplify right side
    20,394.60x = 261,302,543.46
  5. Step 5: Solve for x
    x = 261,302,543.46/20,394.60
  6. Step 6: Final answer
    x = 12,812.34

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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.