Home / 19,739.79-29,615.45-6,601.38

Finding the Fourth Proportional to 19,739.79, 29,615.45 and 6,601.38

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Solution

The fourth proportional to 19,739.79, 29,615.45 and 6,601.38 is: 9,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.79 : 29,615.45 = 6,601.38 : x
  2. Step 2: Convert to fraction form
    19,739.79/29,615.45 = 6,601.38/x
  3. Step 3: Cross multiply
    19,739.79x = 29,615.45 × 6,601.38
  4. Step 4: Simplify right side
    19,739.79x = 195,502,839.32
  5. Step 5: Solve for x
    x = 195,502,839.32/19,739.79
  6. Step 6: Final answer
    x = 9,904.00

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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.