Home / 19,961.64-29,925.18-7,641

Finding the Fourth Proportional to 19,961.64, 29,925.18 and 7,641

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Solution

The fourth proportional to 19,961.64, 29,925.18 and 7,641 is: 11,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.64 : 29,925.18 = 7,641 : x
  2. Step 2: Convert to fraction form
    19,961.64/29,925.18 = 7,641/x
  3. Step 3: Cross multiply
    19,961.64x = 29,925.18 × 7,641
  4. Step 4: Simplify right side
    19,961.64x = 228,658,300.38
  5. Step 5: Solve for x
    x = 228,658,300.38/19,961.64
  6. Step 6: Final answer
    x = 11,454.89

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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.