Home / 12,887.16-19,335.06-5,488.44

Finding the Fourth Proportional to 12,887.16, 19,335.06 and 5,488.44

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Solution

The fourth proportional to 12,887.16, 19,335.06 and 5,488.44 is: 8,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.16 : 19,335.06 = 5,488.44 : x
  2. Step 2: Convert to fraction form
    12,887.16/19,335.06 = 5,488.44/x
  3. Step 3: Cross multiply
    12,887.16x = 19,335.06 × 5,488.44
  4. Step 4: Simplify right side
    12,887.16x = 106,119,316.71
  5. Step 5: Solve for x
    x = 106,119,316.71/12,887.16
  6. Step 6: Final answer
    x = 8,234.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.