Home / 13,390.83-20,060.10-6,360.84

Finding the Fourth Proportional to 13,390.83, 20,060.10 and 6,360.84

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Solution

The fourth proportional to 13,390.83, 20,060.10 and 6,360.84 is: 9,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.83 : 20,060.10 = 6,360.84 : x
  2. Step 2: Convert to fraction form
    13,390.83/20,060.10 = 6,360.84/x
  3. Step 3: Cross multiply
    13,390.83x = 20,060.10 × 6,360.84
  4. Step 4: Simplify right side
    13,390.83x = 127,599,086.48
  5. Step 5: Solve for x
    x = 127,599,086.48/13,390.83
  6. Step 6: Final answer
    x = 9,528.84

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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.