Home / 19,359.84-29,050.29-12,789.12

Finding the Fourth Proportional to 19,359.84, 29,050.29 and 12,789.12

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Solution

The fourth proportional to 19,359.84, 29,050.29 and 12,789.12 is: 19,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.84 : 29,050.29 = 12,789.12 : x
  2. Step 2: Convert to fraction form
    19,359.84/29,050.29 = 12,789.12/x
  3. Step 3: Cross multiply
    19,359.84x = 29,050.29 × 12,789.12
  4. Step 4: Simplify right side
    19,359.84x = 371,527,644.84
  5. Step 5: Solve for x
    x = 371,527,644.84/19,359.84
  6. Step 6: Final answer
    x = 19,190.64

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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.