Home / 13,127.51-19,677.09-6,468.64

Finding the Fourth Proportional to 13,127.51, 19,677.09 and 6,468.64

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Solution

The fourth proportional to 13,127.51, 19,677.09 and 6,468.64 is: 9,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.51 : 19,677.09 = 6,468.64 : x
  2. Step 2: Convert to fraction form
    13,127.51/19,677.09 = 6,468.64/x
  3. Step 3: Cross multiply
    13,127.51x = 19,677.09 × 6,468.64
  4. Step 4: Simplify right side
    13,127.51x = 127,284,011.46
  5. Step 5: Solve for x
    x = 127,284,011.46/13,127.51
  6. Step 6: Final answer
    x = 9,695.98

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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.