Home / 12,594.48-17,381.88-7,218.84

Finding the Fourth Proportional to 12,594.48, 17,381.88 and 7,218.84

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Solution

The fourth proportional to 12,594.48, 17,381.88 and 7,218.84 is: 9,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.48 : 17,381.88 = 7,218.84 : x
  2. Step 2: Convert to fraction form
    12,594.48/17,381.88 = 7,218.84/x
  3. Step 3: Cross multiply
    12,594.48x = 17,381.88 × 7,218.84
  4. Step 4: Simplify right side
    12,594.48x = 125,477,010.62
  5. Step 5: Solve for x
    x = 125,477,010.62/12,594.48
  6. Step 6: Final answer
    x = 9,962.86

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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.