Home / 12,989.28-19,486.80-6,060

Finding the Fourth Proportional to 12,989.28, 19,486.80 and 6,060

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Solution

The fourth proportional to 12,989.28, 19,486.80 and 6,060 is: 9,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989.28 : 19,486.80 = 6,060 : x
  2. Step 2: Convert to fraction form
    12,989.28/19,486.80 = 6,060/x
  3. Step 3: Cross multiply
    12,989.28x = 19,486.80 × 6,060
  4. Step 4: Simplify right side
    12,989.28x = 118,090,008
  5. Step 5: Solve for x
    x = 118,090,008/12,989.28
  6. Step 6: Final answer
    x = 9,091.34

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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.