Home / 18,214.48-25,135.59-10,256.53

Finding the Fourth Proportional to 18,214.48, 25,135.59 and 10,256.53

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Solution

The fourth proportional to 18,214.48, 25,135.59 and 10,256.53 is: 14,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.48 : 25,135.59 = 10,256.53 : x
  2. Step 2: Convert to fraction form
    18,214.48/25,135.59 = 10,256.53/x
  3. Step 3: Cross multiply
    18,214.48x = 25,135.59 × 10,256.53
  4. Step 4: Simplify right side
    18,214.48x = 257,803,932.90
  5. Step 5: Solve for x
    x = 257,803,932.90/18,214.48
  6. Step 6: Final answer
    x = 14,153.79

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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.