Home / 18,214.74-25,136.33-10,256.79

Finding the Fourth Proportional to 18,214.74, 25,136.33 and 10,256.79

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Solution

The fourth proportional to 18,214.74, 25,136.33 and 10,256.79 is: 14,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.74 : 25,136.33 = 10,256.79 : x
  2. Step 2: Convert to fraction form
    18,214.74/25,136.33 = 10,256.79/x
  3. Step 3: Cross multiply
    18,214.74x = 25,136.33 × 10,256.79
  4. Step 4: Simplify right side
    18,214.74x = 257,818,083.82
  5. Step 5: Solve for x
    x = 257,818,083.82/18,214.74
  6. Step 6: Final answer
    x = 14,154.37

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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.