Home / 13,267.58-19,901.68-4,380.04

Finding the Fourth Proportional to 13,267.58, 19,901.68 and 4,380.04

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Solution

The fourth proportional to 13,267.58, 19,901.68 and 4,380.04 is: 6,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.58 : 19,901.68 = 4,380.04 : x
  2. Step 2: Convert to fraction form
    13,267.58/19,901.68 = 4,380.04/x
  3. Step 3: Cross multiply
    13,267.58x = 19,901.68 × 4,380.04
  4. Step 4: Simplify right side
    13,267.58x = 87,170,154.47
  5. Step 5: Solve for x
    x = 87,170,154.47/13,267.58
  6. Step 6: Final answer
    x = 6,570.16

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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.