Home / 18,155.48-25,057.29-11,085.98

Finding the Fourth Proportional to 18,155.48, 25,057.29 and 11,085.98

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Solution

The fourth proportional to 18,155.48, 25,057.29 and 11,085.98 is: 15,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.48 : 25,057.29 = 11,085.98 : x
  2. Step 2: Convert to fraction form
    18,155.48/25,057.29 = 11,085.98/x
  3. Step 3: Cross multiply
    18,155.48x = 25,057.29 × 11,085.98
  4. Step 4: Simplify right side
    18,155.48x = 277,784,615.79
  5. Step 5: Solve for x
    x = 277,784,615.79/18,155.48
  6. Step 6: Final answer
    x = 15,300.32

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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.