Home / 23,170.18-31,975.05-12,559.99

Finding the Fourth Proportional to 23,170.18, 31,975.05 and 12,559.99

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Solution

The fourth proportional to 23,170.18, 31,975.05 and 12,559.99 is: 17,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.18 : 31,975.05 = 12,559.99 : x
  2. Step 2: Convert to fraction form
    23,170.18/31,975.05 = 12,559.99/x
  3. Step 3: Cross multiply
    23,170.18x = 31,975.05 × 12,559.99
  4. Step 4: Simplify right side
    23,170.18x = 401,606,308.25
  5. Step 5: Solve for x
    x = 401,606,308.25/23,170.18
  6. Step 6: Final answer
    x = 17,332.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.