Home / 18,214.80-25,134.84-10,256.28

Finding the Fourth Proportional to 18,214.80, 25,134.84 and 10,256.28

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Solution

The fourth proportional to 18,214.80, 25,134.84 and 10,256.28 is: 14,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.80 : 25,134.84 = 10,256.28 : x
  2. Step 2: Convert to fraction form
    18,214.80/25,134.84 = 10,256.28/x
  3. Step 3: Cross multiply
    18,214.80x = 25,134.84 × 10,256.28
  4. Step 4: Simplify right side
    18,214.80x = 257,789,956.80
  5. Step 5: Solve for x
    x = 257,789,956.80/18,214.80
  6. Step 6: Final answer
    x = 14,152.77

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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.