Home / 13,019.04-19,530.20-4,251.60

Finding the Fourth Proportional to 13,019.04, 19,530.20 and 4,251.60

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Solution

The fourth proportional to 13,019.04, 19,530.20 and 4,251.60 is: 6,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.04 : 19,530.20 = 4,251.60 : x
  2. Step 2: Convert to fraction form
    13,019.04/19,530.20 = 4,251.60/x
  3. Step 3: Cross multiply
    13,019.04x = 19,530.20 × 4,251.60
  4. Step 4: Simplify right side
    13,019.04x = 83,034,598.32
  5. Step 5: Solve for x
    x = 83,034,598.32/13,019.04
  6. Step 6: Final answer
    x = 6,377.94

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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.