Home / 12,707.40-19,064.43-4,388.00

Finding the Fourth Proportional to 12,707.40, 19,064.43 and 4,388.00

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Solution

The fourth proportional to 12,707.40, 19,064.43 and 4,388.00 is: 6,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.40 : 19,064.43 = 4,388.00 : x
  2. Step 2: Convert to fraction form
    12,707.40/19,064.43 = 4,388.00/x
  3. Step 3: Cross multiply
    12,707.40x = 19,064.43 × 4,388.00
  4. Step 4: Simplify right side
    12,707.40x = 83,654,623.52
  5. Step 5: Solve for x
    x = 83,654,623.52/12,707.40
  6. Step 6: Final answer
    x = 6,583.14

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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.