Home / 10,345.06-15,519-3,322.74

Finding the Fourth Proportional to 10,345.06, 15,519 and 3,322.74

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Solution

The fourth proportional to 10,345.06, 15,519 and 3,322.74 is: 4,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.06 : 15,519 = 3,322.74 : x
  2. Step 2: Convert to fraction form
    10,345.06/15,519 = 3,322.74/x
  3. Step 3: Cross multiply
    10,345.06x = 15,519 × 3,322.74
  4. Step 4: Simplify right side
    10,345.06x = 51,565,602.06
  5. Step 5: Solve for x
    x = 51,565,602.06/10,345.06
  6. Step 6: Final answer
    x = 4,984.56

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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.