Home / 10,687.02-14,747.07-6,209.34

Finding the Fourth Proportional to 10,687.02, 14,747.07 and 6,209.34

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Solution

The fourth proportional to 10,687.02, 14,747.07 and 6,209.34 is: 8,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.02 : 14,747.07 = 6,209.34 : x
  2. Step 2: Convert to fraction form
    10,687.02/14,747.07 = 6,209.34/x
  3. Step 3: Cross multiply
    10,687.02x = 14,747.07 × 6,209.34
  4. Step 4: Simplify right side
    10,687.02x = 91,569,571.63
  5. Step 5: Solve for x
    x = 91,569,571.63/10,687.02
  6. Step 6: Final answer
    x = 8,568.30

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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.