Home / 12,635.24-17,435.81-6,970.02

Finding the Fourth Proportional to 12,635.24, 17,435.81 and 6,970.02

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Solution

The fourth proportional to 12,635.24, 17,435.81 and 6,970.02 is: 9,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.24 : 17,435.81 = 6,970.02 : x
  2. Step 2: Convert to fraction form
    12,635.24/17,435.81 = 6,970.02/x
  3. Step 3: Cross multiply
    12,635.24x = 17,435.81 × 6,970.02
  4. Step 4: Simplify right side
    12,635.24x = 121,527,909.57
  5. Step 5: Solve for x
    x = 121,527,909.57/12,635.24
  6. Step 6: Final answer
    x = 9,618.18

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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.