Home / 18,153.08-27,237.36-10,256.68

Finding the Fourth Proportional to 18,153.08, 27,237.36 and 10,256.68

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Solution

The fourth proportional to 18,153.08, 27,237.36 and 10,256.68 is: 15,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.08 : 27,237.36 = 10,256.68 : x
  2. Step 2: Convert to fraction form
    18,153.08/27,237.36 = 10,256.68/x
  3. Step 3: Cross multiply
    18,153.08x = 27,237.36 × 10,256.68
  4. Step 4: Simplify right side
    18,153.08x = 279,364,885.56
  5. Step 5: Solve for x
    x = 279,364,885.56/18,153.08
  6. Step 6: Final answer
    x = 15,389.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.