Home / 18,551.36-25,600.56-10,167.68

Finding the Fourth Proportional to 18,551.36, 25,600.56 and 10,167.68

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Solution

The fourth proportional to 18,551.36, 25,600.56 and 10,167.68 is: 14,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.36 : 25,600.56 = 10,167.68 : x
  2. Step 2: Convert to fraction form
    18,551.36/25,600.56 = 10,167.68/x
  3. Step 3: Cross multiply
    18,551.36x = 25,600.56 × 10,167.68
  4. Step 4: Simplify right side
    18,551.36x = 260,298,301.90
  5. Step 5: Solve for x
    x = 260,298,301.90/18,551.36
  6. Step 6: Final answer
    x = 14,031.22

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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.