Home / 19,587.38-29,374.86-6,436.70

Finding the Fourth Proportional to 19,587.38, 29,374.86 and 6,436.70

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Solution

The fourth proportional to 19,587.38, 29,374.86 and 6,436.70 is: 9,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.38 : 29,374.86 = 6,436.70 : x
  2. Step 2: Convert to fraction form
    19,587.38/29,374.86 = 6,436.70/x
  3. Step 3: Cross multiply
    19,587.38x = 29,374.86 × 6,436.70
  4. Step 4: Simplify right side
    19,587.38x = 189,077,161.36
  5. Step 5: Solve for x
    x = 189,077,161.36/19,587.38
  6. Step 6: Final answer
    x = 9,653.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.