Home / 20,070.72-30,112.14-7,594.56

Finding the Fourth Proportional to 20,070.72, 30,112.14 and 7,594.56

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Solution

The fourth proportional to 20,070.72, 30,112.14 and 7,594.56 is: 11,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.72 : 30,112.14 = 7,594.56 : x
  2. Step 2: Convert to fraction form
    20,070.72/30,112.14 = 7,594.56/x
  3. Step 3: Cross multiply
    20,070.72x = 30,112.14 × 7,594.56
  4. Step 4: Simplify right side
    20,070.72x = 228,688,453.96
  5. Step 5: Solve for x
    x = 228,688,453.96/20,070.72
  6. Step 6: Final answer
    x = 11,394.13

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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.