Home / 19,485.59-29,239.31-7,799.72

Finding the Fourth Proportional to 19,485.59, 29,239.31 and 7,799.72

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Solution

The fourth proportional to 19,485.59, 29,239.31 and 7,799.72 is: 11,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.59 : 29,239.31 = 7,799.72 : x
  2. Step 2: Convert to fraction form
    19,485.59/29,239.31 = 7,799.72/x
  3. Step 3: Cross multiply
    19,485.59x = 29,239.31 × 7,799.72
  4. Step 4: Simplify right side
    19,485.59x = 228,058,304.30
  5. Step 5: Solve for x
    x = 228,058,304.30/19,485.59
  6. Step 6: Final answer
    x = 11,703.95

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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.