Home / 13,789.08-19,035.54-8,488.44

Finding the Fourth Proportional to 13,789.08, 19,035.54 and 8,488.44

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Solution

The fourth proportional to 13,789.08, 19,035.54 and 8,488.44 is: 11,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.08 : 19,035.54 = 8,488.44 : x
  2. Step 2: Convert to fraction form
    13,789.08/19,035.54 = 8,488.44/x
  3. Step 3: Cross multiply
    13,789.08x = 19,035.54 × 8,488.44
  4. Step 4: Simplify right side
    13,789.08x = 161,582,039.16
  5. Step 5: Solve for x
    x = 161,582,039.16/13,789.08
  6. Step 6: Final answer
    x = 11,718.12

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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.