Home / 20,363.34-30,533.90-6,129.74

Finding the Fourth Proportional to 20,363.34, 30,533.90 and 6,129.74

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Solution

The fourth proportional to 20,363.34, 30,533.90 and 6,129.74 is: 9,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.34 : 30,533.90 = 6,129.74 : x
  2. Step 2: Convert to fraction form
    20,363.34/30,533.90 = 6,129.74/x
  3. Step 3: Cross multiply
    20,363.34x = 30,533.90 × 6,129.74
  4. Step 4: Simplify right side
    20,363.34x = 187,164,868.19
  5. Step 5: Solve for x
    x = 187,164,868.19/20,363.34
  6. Step 6: Final answer
    x = 9,191.27

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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.