Home / 10,215.36-14,098.23-6,238.80

Finding the Fourth Proportional to 10,215.36, 14,098.23 and 6,238.80

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Solution

The fourth proportional to 10,215.36, 14,098.23 and 6,238.80 is: 8,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.36 : 14,098.23 = 6,238.80 : x
  2. Step 2: Convert to fraction form
    10,215.36/14,098.23 = 6,238.80/x
  3. Step 3: Cross multiply
    10,215.36x = 14,098.23 × 6,238.80
  4. Step 4: Simplify right side
    10,215.36x = 87,956,037.32
  5. Step 5: Solve for x
    x = 87,956,037.32/10,215.36
  6. Step 6: Final answer
    x = 8,610.18

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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.