Home / 13,278.02-19,929.35-6,708.83

Finding the Fourth Proportional to 13,278.02, 19,929.35 and 6,708.83

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Solution

The fourth proportional to 13,278.02, 19,929.35 and 6,708.83 is: 10,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.02 : 19,929.35 = 6,708.83 : x
  2. Step 2: Convert to fraction form
    13,278.02/19,929.35 = 6,708.83/x
  3. Step 3: Cross multiply
    13,278.02x = 19,929.35 × 6,708.83
  4. Step 4: Simplify right side
    13,278.02x = 133,702,538.29
  5. Step 5: Solve for x
    x = 133,702,538.29/13,278.02
  6. Step 6: Final answer
    x = 10,069.47

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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.