Home / 12,539.29-17,303.99-6,873.78

Finding the Fourth Proportional to 12,539.29, 17,303.99 and 6,873.78

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Solution

The fourth proportional to 12,539.29, 17,303.99 and 6,873.78 is: 9,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.29 : 17,303.99 = 6,873.78 : x
  2. Step 2: Convert to fraction form
    12,539.29/17,303.99 = 6,873.78/x
  3. Step 3: Cross multiply
    12,539.29x = 17,303.99 × 6,873.78
  4. Step 4: Simplify right side
    12,539.29x = 118,943,820.38
  5. Step 5: Solve for x
    x = 118,943,820.38/12,539.29
  6. Step 6: Final answer
    x = 9,485.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.