Home / 43,687.13-65,530.69-10,855.13

Finding the Fourth Proportional to 43,687.13, 65,530.69 and 10,855.13

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Solution

The fourth proportional to 43,687.13, 65,530.69 and 10,855.13 is: 16,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687.13 : 65,530.69 = 10,855.13 : x
  2. Step 2: Convert to fraction form
    43,687.13/65,530.69 = 10,855.13/x
  3. Step 3: Cross multiply
    43,687.13x = 65,530.69 × 10,855.13
  4. Step 4: Simplify right side
    43,687.13x = 711,343,804.15
  5. Step 5: Solve for x
    x = 711,343,804.15/43,687.13
  6. Step 6: Final answer
    x = 16,282.69

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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.