Home / 15,659.36-23,403.05-11,451.48

Finding the Fourth Proportional to 15,659.36, 23,403.05 and 11,451.48

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Solution

The fourth proportional to 15,659.36, 23,403.05 and 11,451.48 is: 17,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.36 : 23,403.05 = 11,451.48 : x
  2. Step 2: Convert to fraction form
    15,659.36/23,403.05 = 11,451.48/x
  3. Step 3: Cross multiply
    15,659.36x = 23,403.05 × 11,451.48
  4. Step 4: Simplify right side
    15,659.36x = 267,999,559.01
  5. Step 5: Solve for x
    x = 267,999,559.01/15,659.36
  6. Step 6: Final answer
    x = 17,114.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.