Home / 12,672.02-19,012.48-5,657.02

Finding the Fourth Proportional to 12,672.02, 19,012.48 and 5,657.02

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Solution

The fourth proportional to 12,672.02, 19,012.48 and 5,657.02 is: 8,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.02 : 19,012.48 = 5,657.02 : x
  2. Step 2: Convert to fraction form
    12,672.02/19,012.48 = 5,657.02/x
  3. Step 3: Cross multiply
    12,672.02x = 19,012.48 × 5,657.02
  4. Step 4: Simplify right side
    12,672.02x = 107,553,979.61
  5. Step 5: Solve for x
    x = 107,553,979.61/12,672.02
  6. Step 6: Final answer
    x = 8,487.52

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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.