Home / 11,294.16-15,588.90-7,315.44

Finding the Fourth Proportional to 11,294.16, 15,588.90 and 7,315.44

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Solution

The fourth proportional to 11,294.16, 15,588.90 and 7,315.44 is: 10,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.16 : 15,588.90 = 7,315.44 : x
  2. Step 2: Convert to fraction form
    11,294.16/15,588.90 = 7,315.44/x
  3. Step 3: Cross multiply
    11,294.16x = 15,588.90 × 7,315.44
  4. Step 4: Simplify right side
    11,294.16x = 114,039,662.62
  5. Step 5: Solve for x
    x = 114,039,662.62/11,294.16
  6. Step 6: Final answer
    x = 10,097.22

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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.