Home / 19,346.31-29,000.61-9,996.87

Finding the Fourth Proportional to 19,346.31, 29,000.61 and 9,996.87

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Solution

The fourth proportional to 19,346.31, 29,000.61 and 9,996.87 is: 14,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.31 : 29,000.61 = 9,996.87 : x
  2. Step 2: Convert to fraction form
    19,346.31/29,000.61 = 9,996.87/x
  3. Step 3: Cross multiply
    19,346.31x = 29,000.61 × 9,996.87
  4. Step 4: Simplify right side
    19,346.31x = 289,915,328.09
  5. Step 5: Solve for x
    x = 289,915,328.09/19,346.31
  6. Step 6: Final answer
    x = 14,985.56

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1.5x scale

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.