Home / 10,687.06-14,734.65-6,903.82

Finding the Fourth Proportional to 10,687.06, 14,734.65 and 6,903.82

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Solution

The fourth proportional to 10,687.06, 14,734.65 and 6,903.82 is: 9,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.06 : 14,734.65 = 6,903.82 : x
  2. Step 2: Convert to fraction form
    10,687.06/14,734.65 = 6,903.82/x
  3. Step 3: Cross multiply
    10,687.06x = 14,734.65 × 6,903.82
  4. Step 4: Simplify right side
    10,687.06x = 101,725,371.36
  5. Step 5: Solve for x
    x = 101,725,371.36/10,687.06
  6. Step 6: Final answer
    x = 9,518.56

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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.