Home / 18,818.42-25,970.57-10,434.92

Finding the Fourth Proportional to 18,818.42, 25,970.57 and 10,434.92

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Solution

The fourth proportional to 18,818.42, 25,970.57 and 10,434.92 is: 14,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.42 : 25,970.57 = 10,434.92 : x
  2. Step 2: Convert to fraction form
    18,818.42/25,970.57 = 10,434.92/x
  3. Step 3: Cross multiply
    18,818.42x = 25,970.57 × 10,434.92
  4. Step 4: Simplify right side
    18,818.42x = 271,000,638.28
  5. Step 5: Solve for x
    x = 271,000,638.28/18,818.42
  6. Step 6: Final answer
    x = 14,400.82

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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.