Home / 15,272.44-23,012.70-12,559.88

Finding the Fourth Proportional to 15,272.44, 23,012.70 and 12,559.88

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Solution

The fourth proportional to 15,272.44, 23,012.70 and 12,559.88 is: 18,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.44 : 23,012.70 = 12,559.88 : x
  2. Step 2: Convert to fraction form
    15,272.44/23,012.70 = 12,559.88/x
  3. Step 3: Cross multiply
    15,272.44x = 23,012.70 × 12,559.88
  4. Step 4: Simplify right side
    15,272.44x = 289,036,750.48
  5. Step 5: Solve for x
    x = 289,036,750.48/15,272.44
  6. Step 6: Final answer
    x = 18,925.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.