Home / 10,857.34-14,983.46-6,141.31

Finding the Fourth Proportional to 10,857.34, 14,983.46 and 6,141.31

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Solution

The fourth proportional to 10,857.34, 14,983.46 and 6,141.31 is: 8,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.34 : 14,983.46 = 6,141.31 : x
  2. Step 2: Convert to fraction form
    10,857.34/14,983.46 = 6,141.31/x
  3. Step 3: Cross multiply
    10,857.34x = 14,983.46 × 6,141.31
  4. Step 4: Simplify right side
    10,857.34x = 92,018,125.54
  5. Step 5: Solve for x
    x = 92,018,125.54/10,857.34
  6. Step 6: Final answer
    x = 8,475.20

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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.