Home / 11,329.16-15,637.32-7,350.03

Finding the Fourth Proportional to 11,329.16, 15,637.32 and 7,350.03

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Solution

The fourth proportional to 11,329.16, 15,637.32 and 7,350.03 is: 10,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.16 : 15,637.32 = 7,350.03 : x
  2. Step 2: Convert to fraction form
    11,329.16/15,637.32 = 7,350.03/x
  3. Step 3: Cross multiply
    11,329.16x = 15,637.32 × 7,350.03
  4. Step 4: Simplify right side
    11,329.16x = 114,934,771.12
  5. Step 5: Solve for x
    x = 114,934,771.12/11,329.16
  6. Step 6: Final answer
    x = 10,145.04

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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.