Home / 13,997.89-20,996.80-4,637.93

Finding the Fourth Proportional to 13,997.89, 20,996.80 and 4,637.93

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Solution

The fourth proportional to 13,997.89, 20,996.80 and 4,637.93 is: 6,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.89 : 20,996.80 = 4,637.93 : x
  2. Step 2: Convert to fraction form
    13,997.89/20,996.80 = 4,637.93/x
  3. Step 3: Cross multiply
    13,997.89x = 20,996.80 × 4,637.93
  4. Step 4: Simplify right side
    13,997.89x = 97,381,729.52
  5. Step 5: Solve for x
    x = 97,381,729.52/13,997.89
  6. Step 6: Final answer
    x = 6,956.89

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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.