Home / 12,699.04-17,523.84-7,108.96

Finding the Fourth Proportional to 12,699.04, 17,523.84 and 7,108.96

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Solution

The fourth proportional to 12,699.04, 17,523.84 and 7,108.96 is: 9,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.04 : 17,523.84 = 7,108.96 : x
  2. Step 2: Convert to fraction form
    12,699.04/17,523.84 = 7,108.96/x
  3. Step 3: Cross multiply
    12,699.04x = 17,523.84 × 7,108.96
  4. Step 4: Simplify right side
    12,699.04x = 124,576,277.61
  5. Step 5: Solve for x
    x = 124,576,277.61/12,699.04
  6. Step 6: Final answer
    x = 9,809.90

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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.