Home / 43,354.04-65,031.07-12,189.29

Finding the Fourth Proportional to 43,354.04, 65,031.07 and 12,189.29

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Solution

The fourth proportional to 43,354.04, 65,031.07 and 12,189.29 is: 18,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.04 : 65,031.07 = 12,189.29 : x
  2. Step 2: Convert to fraction form
    43,354.04/65,031.07 = 12,189.29/x
  3. Step 3: Cross multiply
    43,354.04x = 65,031.07 × 12,189.29
  4. Step 4: Simplify right side
    43,354.04x = 792,682,215.61
  5. Step 5: Solve for x
    x = 792,682,215.61/43,354.04
  6. Step 6: Final answer
    x = 18,283.93

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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.