Home / 11,487.15-15,852.42-11,089.80

Finding the Fourth Proportional to 11,487.15, 15,852.42 and 11,089.80

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Solution

The fourth proportional to 11,487.15, 15,852.42 and 11,089.80 is: 15,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.15 : 15,852.42 = 11,089.80 : x
  2. Step 2: Convert to fraction form
    11,487.15/15,852.42 = 11,089.80/x
  3. Step 3: Cross multiply
    11,487.15x = 15,852.42 × 11,089.80
  4. Step 4: Simplify right side
    11,487.15x = 175,800,167.32
  5. Step 5: Solve for x
    x = 175,800,167.32/11,487.15
  6. Step 6: Final answer
    x = 15,304.07

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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.