Home / 19,437.60-29,157.32-6,291

Finding the Fourth Proportional to 19,437.60, 29,157.32 and 6,291

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Solution

The fourth proportional to 19,437.60, 29,157.32 and 6,291 is: 9,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.60 : 29,157.32 = 6,291 : x
  2. Step 2: Convert to fraction form
    19,437.60/29,157.32 = 6,291/x
  3. Step 3: Cross multiply
    19,437.60x = 29,157.32 × 6,291
  4. Step 4: Simplify right side
    19,437.60x = 183,428,700.12
  5. Step 5: Solve for x
    x = 183,428,700.12/19,437.60
  6. Step 6: Final answer
    x = 9,436.80

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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.