Home / 13,924.28-20,871.84-6,522.50

Finding the Fourth Proportional to 13,924.28, 20,871.84 and 6,522.50

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Solution

The fourth proportional to 13,924.28, 20,871.84 and 6,522.50 is: 9,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.28 : 20,871.84 = 6,522.50 : x
  2. Step 2: Convert to fraction form
    13,924.28/20,871.84 = 6,522.50/x
  3. Step 3: Cross multiply
    13,924.28x = 20,871.84 × 6,522.50
  4. Step 4: Simplify right side
    13,924.28x = 136,136,576.40
  5. Step 5: Solve for x
    x = 136,136,576.40/13,924.28
  6. Step 6: Final answer
    x = 9,776.92

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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.