Home / 13,411.58-18,495.87-8,376.26

Finding the Fourth Proportional to 13,411.58, 18,495.87 and 8,376.26

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Solution

The fourth proportional to 13,411.58, 18,495.87 and 8,376.26 is: 11,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.58 : 18,495.87 = 8,376.26 : x
  2. Step 2: Convert to fraction form
    13,411.58/18,495.87 = 8,376.26/x
  3. Step 3: Cross multiply
    13,411.58x = 18,495.87 × 8,376.26
  4. Step 4: Simplify right side
    13,411.58x = 154,926,216.05
  5. Step 5: Solve for x
    x = 154,926,216.05/13,411.58
  6. Step 6: Final answer
    x = 11,551.68

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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.