Home / 21,045.36-29,040.56-11,613.32

Finding the Fourth Proportional to 21,045.36, 29,040.56 and 11,613.32

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Solution

The fourth proportional to 21,045.36, 29,040.56 and 11,613.32 is: 16,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.36 : 29,040.56 = 11,613.32 : x
  2. Step 2: Convert to fraction form
    21,045.36/29,040.56 = 11,613.32/x
  3. Step 3: Cross multiply
    21,045.36x = 29,040.56 × 11,613.32
  4. Step 4: Simplify right side
    21,045.36x = 337,257,316.26
  5. Step 5: Solve for x
    x = 337,257,316.26/21,045.36
  6. Step 6: Final answer
    x = 16,025.26

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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.