Home / 11,370.36-15,688.24-7,390.83

Finding the Fourth Proportional to 11,370.36, 15,688.24 and 7,390.83

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Solution

The fourth proportional to 11,370.36, 15,688.24 and 7,390.83 is: 10,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.36 : 15,688.24 = 7,390.83 : x
  2. Step 2: Convert to fraction form
    11,370.36/15,688.24 = 7,390.83/x
  3. Step 3: Cross multiply
    11,370.36x = 15,688.24 × 7,390.83
  4. Step 4: Simplify right side
    11,370.36x = 115,949,114.84
  5. Step 5: Solve for x
    x = 115,949,114.84/11,370.36
  6. Step 6: Final answer
    x = 10,197.49

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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.