Home / 23,014.40-31,751.68-13,578.24

Finding the Fourth Proportional to 23,014.40, 31,751.68 and 13,578.24

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Solution

The fourth proportional to 23,014.40, 31,751.68 and 13,578.24 is: 18,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.40 : 31,751.68 = 13,578.24 : x
  2. Step 2: Convert to fraction form
    23,014.40/31,751.68 = 13,578.24/x
  3. Step 3: Cross multiply
    23,014.40x = 31,751.68 × 13,578.24
  4. Step 4: Simplify right side
    23,014.40x = 431,131,931.44
  5. Step 5: Solve for x
    x = 431,131,931.44/23,014.40
  6. Step 6: Final answer
    x = 18,733.14

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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.