Home / 19,807.25-29,690.40-6,655.19

Finding the Fourth Proportional to 19,807.25, 29,690.40 and 6,655.19

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Solution

The fourth proportional to 19,807.25, 29,690.40 and 6,655.19 is: 9,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.25 : 29,690.40 = 6,655.19 : x
  2. Step 2: Convert to fraction form
    19,807.25/29,690.40 = 6,655.19/x
  3. Step 3: Cross multiply
    19,807.25x = 29,690.40 × 6,655.19
  4. Step 4: Simplify right side
    19,807.25x = 197,595,253.18
  5. Step 5: Solve for x
    x = 197,595,253.18/19,807.25
  6. Step 6: Final answer
    x = 9,975.91

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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.