Home / 10,619.13-14,655.13-7,027.90

Finding the Fourth Proportional to 10,619.13, 14,655.13 and 7,027.90

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Solution

The fourth proportional to 10,619.13, 14,655.13 and 7,027.90 is: 9,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.13 : 14,655.13 = 7,027.90 : x
  2. Step 2: Convert to fraction form
    10,619.13/14,655.13 = 7,027.90/x
  3. Step 3: Cross multiply
    10,619.13x = 14,655.13 × 7,027.90
  4. Step 4: Simplify right side
    10,619.13x = 102,994,733.92
  5. Step 5: Solve for x
    x = 102,994,733.92/10,619.13
  6. Step 6: Final answer
    x = 9,698.98

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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.