Home / 12,567.04-18,850.20-5,169.40

Finding the Fourth Proportional to 12,567.04, 18,850.20 and 5,169.40

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Solution

The fourth proportional to 12,567.04, 18,850.20 and 5,169.40 is: 7,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.04 : 18,850.20 = 5,169.40 : x
  2. Step 2: Convert to fraction form
    12,567.04/18,850.20 = 5,169.40/x
  3. Step 3: Cross multiply
    12,567.04x = 18,850.20 × 5,169.40
  4. Step 4: Simplify right side
    12,567.04x = 97,444,223.88
  5. Step 5: Solve for x
    x = 97,444,223.88/12,567.04
  6. Step 6: Final answer
    x = 7,753.95

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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.