Home / 18,117.36-25,004.76-10,162.80

Finding the Fourth Proportional to 18,117.36, 25,004.76 and 10,162.80

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Solution

The fourth proportional to 18,117.36, 25,004.76 and 10,162.80 is: 14,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.36 : 25,004.76 = 10,162.80 : x
  2. Step 2: Convert to fraction form
    18,117.36/25,004.76 = 10,162.80/x
  3. Step 3: Cross multiply
    18,117.36x = 25,004.76 × 10,162.80
  4. Step 4: Simplify right side
    18,117.36x = 254,118,374.93
  5. Step 5: Solve for x
    x = 254,118,374.93/18,117.36
  6. Step 6: Final answer
    x = 14,026.24

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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.