Home / 13,730.76-20,592.90-6,330.60

Finding the Fourth Proportional to 13,730.76, 20,592.90 and 6,330.60

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Solution

The fourth proportional to 13,730.76, 20,592.90 and 6,330.60 is: 9,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.76 : 20,592.90 = 6,330.60 : x
  2. Step 2: Convert to fraction form
    13,730.76/20,592.90 = 6,330.60/x
  3. Step 3: Cross multiply
    13,730.76x = 20,592.90 × 6,330.60
  4. Step 4: Simplify right side
    13,730.76x = 130,365,412.74
  5. Step 5: Solve for x
    x = 130,365,412.74/13,730.76
  6. Step 6: Final answer
    x = 9,494.41

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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.