Home / 13,207.32-19,803.96-4,887

Finding the Fourth Proportional to 13,207.32, 19,803.96 and 4,887

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Solution

The fourth proportional to 13,207.32, 19,803.96 and 4,887 is: 7,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.32 : 19,803.96 = 4,887 : x
  2. Step 2: Convert to fraction form
    13,207.32/19,803.96 = 4,887/x
  3. Step 3: Cross multiply
    13,207.32x = 19,803.96 × 4,887
  4. Step 4: Simplify right side
    13,207.32x = 96,781,952.52
  5. Step 5: Solve for x
    x = 96,781,952.52/13,207.32
  6. Step 6: Final answer
    x = 7,327.90

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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.