Home / 23,169.21-31,969.84-13,095.35

Finding the Fourth Proportional to 23,169.21, 31,969.84 and 13,095.35

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Solution

The fourth proportional to 23,169.21, 31,969.84 and 13,095.35 is: 18,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.21 : 31,969.84 = 13,095.35 : x
  2. Step 2: Convert to fraction form
    23,169.21/31,969.84 = 13,095.35/x
  3. Step 3: Cross multiply
    23,169.21x = 31,969.84 × 13,095.35
  4. Step 4: Simplify right side
    23,169.21x = 418,656,106.18
  5. Step 5: Solve for x
    x = 418,656,106.18/23,169.21
  6. Step 6: Final answer
    x = 18,069.50

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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.