Home / 19,202.02-28,803.06-12,657.43

Finding the Fourth Proportional to 19,202.02, 28,803.06 and 12,657.43

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Solution

The fourth proportional to 19,202.02, 28,803.06 and 12,657.43 is: 18,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.02 : 28,803.06 = 12,657.43 : x
  2. Step 2: Convert to fraction form
    19,202.02/28,803.06 = 12,657.43/x
  3. Step 3: Cross multiply
    19,202.02x = 28,803.06 × 12,657.43
  4. Step 4: Simplify right side
    19,202.02x = 364,572,715.74
  5. Step 5: Solve for x
    x = 364,572,715.74/19,202.02
  6. Step 6: Final answer
    x = 18,986.16

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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.