Home / 12,403.04-18,605.40-4,195.04

Finding the Fourth Proportional to 12,403.04, 18,605.40 and 4,195.04

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Solution

The fourth proportional to 12,403.04, 18,605.40 and 4,195.04 is: 6,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.04 : 18,605.40 = 4,195.04 : x
  2. Step 2: Convert to fraction form
    12,403.04/18,605.40 = 4,195.04/x
  3. Step 3: Cross multiply
    12,403.04x = 18,605.40 × 4,195.04
  4. Step 4: Simplify right side
    12,403.04x = 78,050,397.22
  5. Step 5: Solve for x
    x = 78,050,397.22/12,403.04
  6. Step 6: Final answer
    x = 6,292.84

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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.