Home / 11,510.10-17,261.37-3,612.60

Finding the Fourth Proportional to 11,510.10, 17,261.37 and 3,612.60

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Solution

The fourth proportional to 11,510.10, 17,261.37 and 3,612.60 is: 5,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.10 : 17,261.37 = 3,612.60 : x
  2. Step 2: Convert to fraction form
    11,510.10/17,261.37 = 3,612.60/x
  3. Step 3: Cross multiply
    11,510.10x = 17,261.37 × 3,612.60
  4. Step 4: Simplify right side
    11,510.10x = 62,358,425.26
  5. Step 5: Solve for x
    x = 62,358,425.26/11,510.10
  6. Step 6: Final answer
    x = 5,417.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.