Home / 13,697.13-20,548.78-4,337.72

Finding the Fourth Proportional to 13,697.13, 20,548.78 and 4,337.72

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Solution

The fourth proportional to 13,697.13, 20,548.78 and 4,337.72 is: 6,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.13 : 20,548.78 = 4,337.72 : x
  2. Step 2: Convert to fraction form
    13,697.13/20,548.78 = 4,337.72/x
  3. Step 3: Cross multiply
    13,697.13x = 20,548.78 × 4,337.72
  4. Step 4: Simplify right side
    13,697.13x = 89,134,817.45
  5. Step 5: Solve for x
    x = 89,134,817.45/13,697.13
  6. Step 6: Final answer
    x = 6,507.55

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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.