Home / 12,487.04-17,226.30-7,702.98

Finding the Fourth Proportional to 12,487.04, 17,226.30 and 7,702.98

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Solution

The fourth proportional to 12,487.04, 17,226.30 and 7,702.98 is: 10,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.04 : 17,226.30 = 7,702.98 : x
  2. Step 2: Convert to fraction form
    12,487.04/17,226.30 = 7,702.98/x
  3. Step 3: Cross multiply
    12,487.04x = 17,226.30 × 7,702.98
  4. Step 4: Simplify right side
    12,487.04x = 132,693,844.37
  5. Step 5: Solve for x
    x = 132,693,844.37/12,487.04
  6. Step 6: Final answer
    x = 10,626.53

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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.