Home / 13,515.04-20,274.18-5,193.10

Finding the Fourth Proportional to 13,515.04, 20,274.18 and 5,193.10

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Solution

The fourth proportional to 13,515.04, 20,274.18 and 5,193.10 is: 7,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.04 : 20,274.18 = 5,193.10 : x
  2. Step 2: Convert to fraction form
    13,515.04/20,274.18 = 5,193.10/x
  3. Step 3: Cross multiply
    13,515.04x = 20,274.18 × 5,193.10
  4. Step 4: Simplify right side
    13,515.04x = 105,285,844.16
  5. Step 5: Solve for x
    x = 105,285,844.16/13,515.04
  6. Step 6: Final answer
    x = 7,790.27

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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.