Home / 12,617.80-17,411.88-6,951.45

Finding the Fourth Proportional to 12,617.80, 17,411.88 and 6,951.45

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Solution

The fourth proportional to 12,617.80, 17,411.88 and 6,951.45 is: 9,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.80 : 17,411.88 = 6,951.45 : x
  2. Step 2: Convert to fraction form
    12,617.80/17,411.88 = 6,951.45/x
  3. Step 3: Cross multiply
    12,617.80x = 17,411.88 × 6,951.45
  4. Step 4: Simplify right side
    12,617.80x = 121,037,813.23
  5. Step 5: Solve for x
    x = 121,037,813.23/12,617.80
  6. Step 6: Final answer
    x = 9,592.62

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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.