Home / 20,377.61-30,570.81-6,337.36

Finding the Fourth Proportional to 20,377.61, 30,570.81 and 6,337.36

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Solution

The fourth proportional to 20,377.61, 30,570.81 and 6,337.36 is: 9,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.61 : 30,570.81 = 6,337.36 : x
  2. Step 2: Convert to fraction form
    20,377.61/30,570.81 = 6,337.36/x
  3. Step 3: Cross multiply
    20,377.61x = 30,570.81 × 6,337.36
  4. Step 4: Simplify right side
    20,377.61x = 193,738,043.92
  5. Step 5: Solve for x
    x = 193,738,043.92/20,377.61
  6. Step 6: Final answer
    x = 9,507.40

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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.