Home / 10,714.28-14,787.23-6,240.51

Finding the Fourth Proportional to 10,714.28, 14,787.23 and 6,240.51

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Solution

The fourth proportional to 10,714.28, 14,787.23 and 6,240.51 is: 8,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.28 : 14,787.23 = 6,240.51 : x
  2. Step 2: Convert to fraction form
    10,714.28/14,787.23 = 6,240.51/x
  3. Step 3: Cross multiply
    10,714.28x = 14,787.23 × 6,240.51
  4. Step 4: Simplify right side
    10,714.28x = 92,279,825.48
  5. Step 5: Solve for x
    x = 92,279,825.48/10,714.28
  6. Step 6: Final answer
    x = 8,612.79

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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.