Home / 14,153.67-19,532.48-8,187.21

Finding the Fourth Proportional to 14,153.67, 19,532.48 and 8,187.21

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Solution

The fourth proportional to 14,153.67, 19,532.48 and 8,187.21 is: 11,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.67 : 19,532.48 = 8,187.21 : x
  2. Step 2: Convert to fraction form
    14,153.67/19,532.48 = 8,187.21/x
  3. Step 3: Cross multiply
    14,153.67x = 19,532.48 × 8,187.21
  4. Step 4: Simplify right side
    14,153.67x = 159,916,474.64
  5. Step 5: Solve for x
    x = 159,916,474.64/14,153.67
  6. Step 6: Final answer
    x = 11,298.59

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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.