Home / 13,748.86-20,623.10-3,360.70

Finding the Fourth Proportional to 13,748.86, 20,623.10 and 3,360.70

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Solution

The fourth proportional to 13,748.86, 20,623.10 and 3,360.70 is: 5,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.86 : 20,623.10 = 3,360.70 : x
  2. Step 2: Convert to fraction form
    13,748.86/20,623.10 = 3,360.70/x
  3. Step 3: Cross multiply
    13,748.86x = 20,623.10 × 3,360.70
  4. Step 4: Simplify right side
    13,748.86x = 69,308,009.01
  5. Step 5: Solve for x
    x = 69,308,009.01/13,748.86
  6. Step 6: Final answer
    x = 5,041.00

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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.