Home / 13,885.56-19,162.44-8,579.88

Finding the Fourth Proportional to 13,885.56, 19,162.44 and 8,579.88

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Solution

The fourth proportional to 13,885.56, 19,162.44 and 8,579.88 is: 11,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.56 : 19,162.44 = 8,579.88 : x
  2. Step 2: Convert to fraction form
    13,885.56/19,162.44 = 8,579.88/x
  3. Step 3: Cross multiply
    13,885.56x = 19,162.44 × 8,579.88
  4. Step 4: Simplify right side
    13,885.56x = 164,411,435.71
  5. Step 5: Solve for x
    x = 164,411,435.71/13,885.56
  6. Step 6: Final answer
    x = 11,840.46

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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.