Home / 13,999.77-20,997.23-5,232.87

Finding the Fourth Proportional to 13,999.77, 20,997.23 and 5,232.87

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Solution

The fourth proportional to 13,999.77, 20,997.23 and 5,232.87 is: 7,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.77 : 20,997.23 = 5,232.87 : x
  2. Step 2: Convert to fraction form
    13,999.77/20,997.23 = 5,232.87/x
  3. Step 3: Cross multiply
    13,999.77x = 20,997.23 × 5,232.87
  4. Step 4: Simplify right side
    13,999.77x = 109,875,748.79
  5. Step 5: Solve for x
    x = 109,875,748.79/13,999.77
  6. Step 6: Final answer
    x = 7,848.40

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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.