Home / 13,476.98-20,219.38-5,578.04

Finding the Fourth Proportional to 13,476.98, 20,219.38 and 5,578.04

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Solution

The fourth proportional to 13,476.98, 20,219.38 and 5,578.04 is: 8,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.98 : 20,219.38 = 5,578.04 : x
  2. Step 2: Convert to fraction form
    13,476.98/20,219.38 = 5,578.04/x
  3. Step 3: Cross multiply
    13,476.98x = 20,219.38 × 5,578.04
  4. Step 4: Simplify right side
    13,476.98x = 112,784,510.42
  5. Step 5: Solve for x
    x = 112,784,510.42/13,476.98
  6. Step 6: Final answer
    x = 8,368.68

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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.