Home / 19,587.12-29,390.40-9,726

Finding the Fourth Proportional to 19,587.12, 29,390.40 and 9,726

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Solution

The fourth proportional to 19,587.12, 29,390.40 and 9,726 is: 14,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.12 : 29,390.40 = 9,726 : x
  2. Step 2: Convert to fraction form
    19,587.12/29,390.40 = 9,726/x
  3. Step 3: Cross multiply
    19,587.12x = 29,390.40 × 9,726
  4. Step 4: Simplify right side
    19,587.12x = 285,851,030.40
  5. Step 5: Solve for x
    x = 285,851,030.40/19,587.12
  6. Step 6: Final answer
    x = 14,593.83

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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.