Home / 13,207.64-19,812.37-4,887.47

Finding the Fourth Proportional to 13,207.64, 19,812.37 and 4,887.47

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Solution

The fourth proportional to 13,207.64, 19,812.37 and 4,887.47 is: 7,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.64 : 19,812.37 = 4,887.47 : x
  2. Step 2: Convert to fraction form
    13,207.64/19,812.37 = 4,887.47/x
  3. Step 3: Cross multiply
    13,207.64x = 19,812.37 × 4,887.47
  4. Step 4: Simplify right side
    13,207.64x = 96,832,252.72
  5. Step 5: Solve for x
    x = 96,832,252.72/13,207.64
  6. Step 6: Final answer
    x = 7,331.54

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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.