Home / 20,377.74-30,566.72-9,276.67

Finding the Fourth Proportional to 20,377.74, 30,566.72 and 9,276.67

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Solution

The fourth proportional to 20,377.74, 30,566.72 and 9,276.67 is: 13,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.74 : 30,566.72 = 9,276.67 : x
  2. Step 2: Convert to fraction form
    20,377.74/30,566.72 = 9,276.67/x
  3. Step 3: Cross multiply
    20,377.74x = 30,566.72 × 9,276.67
  4. Step 4: Simplify right side
    20,377.74x = 283,557,213.41
  5. Step 5: Solve for x
    x = 283,557,213.41/20,377.74
  6. Step 6: Final answer
    x = 13,915.05

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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.