Home / 18,307.36-25,254.87-11,581.66

Finding the Fourth Proportional to 18,307.36, 25,254.87 and 11,581.66

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Solution

The fourth proportional to 18,307.36, 25,254.87 and 11,581.66 is: 15,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.36 : 25,254.87 = 11,581.66 : x
  2. Step 2: Convert to fraction form
    18,307.36/25,254.87 = 11,581.66/x
  3. Step 3: Cross multiply
    18,307.36x = 25,254.87 × 11,581.66
  4. Step 4: Simplify right side
    18,307.36x = 292,493,317.68
  5. Step 5: Solve for x
    x = 292,493,317.68/18,307.36
  6. Step 6: Final answer
    x = 15,976.82

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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.