Home / 15,281.44-23,026.28-12,568.86

Finding the Fourth Proportional to 15,281.44, 23,026.28 and 12,568.86

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Solution

The fourth proportional to 15,281.44, 23,026.28 and 12,568.86 is: 18,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.44 : 23,026.28 = 12,568.86 : x
  2. Step 2: Convert to fraction form
    15,281.44/23,026.28 = 12,568.86/x
  3. Step 3: Cross multiply
    15,281.44x = 23,026.28 × 12,568.86
  4. Step 4: Simplify right side
    15,281.44x = 289,414,089.64
  5. Step 5: Solve for x
    x = 289,414,089.64/15,281.44
  6. Step 6: Final answer
    x = 18,938.93

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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.