Home / 10,687.06-14,754.45-7,710.58

Finding the Fourth Proportional to 10,687.06, 14,754.45 and 7,710.58

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Solution

The fourth proportional to 10,687.06, 14,754.45 and 7,710.58 is: 10,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.06 : 14,754.45 = 7,710.58 : x
  2. Step 2: Convert to fraction form
    10,687.06/14,754.45 = 7,710.58/x
  3. Step 3: Cross multiply
    10,687.06x = 14,754.45 × 7,710.58
  4. Step 4: Simplify right side
    10,687.06x = 113,765,367.08
  5. Step 5: Solve for x
    x = 113,765,367.08/10,687.06
  6. Step 6: Final answer
    x = 10,645.15

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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.