Home / 15,714.17-23,571.25-4,620.86

Finding the Fourth Proportional to 15,714.17, 23,571.25 and 4,620.86

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Solution

The fourth proportional to 15,714.17, 23,571.25 and 4,620.86 is: 6,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.17 : 23,571.25 = 4,620.86 : x
  2. Step 2: Convert to fraction form
    15,714.17/23,571.25 = 4,620.86/x
  3. Step 3: Cross multiply
    15,714.17x = 23,571.25 × 4,620.86
  4. Step 4: Simplify right side
    15,714.17x = 108,919,328.42
  5. Step 5: Solve for x
    x = 108,919,328.42/15,714.17
  6. Step 6: Final answer
    x = 6,931.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.