Home / 15,350.83-23,012.78-12,740.00

Finding the Fourth Proportional to 15,350.83, 23,012.78 and 12,740.00

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Solution

The fourth proportional to 15,350.83, 23,012.78 and 12,740.00 is: 19,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.83 : 23,012.78 = 12,740.00 : x
  2. Step 2: Convert to fraction form
    15,350.83/23,012.78 = 12,740.00/x
  3. Step 3: Cross multiply
    15,350.83x = 23,012.78 × 12,740.00
  4. Step 4: Simplify right side
    15,350.83x = 293,182,638.44
  5. Step 5: Solve for x
    x = 293,182,638.44/15,350.83
  6. Step 6: Final answer
    x = 19,098.82

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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.