Home / 18,714.75-25,818.62-12,348.47

Finding the Fourth Proportional to 18,714.75, 25,818.62 and 12,348.47

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Solution

The fourth proportional to 18,714.75, 25,818.62 and 12,348.47 is: 17,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.75 : 25,818.62 = 12,348.47 : x
  2. Step 2: Convert to fraction form
    18,714.75/25,818.62 = 12,348.47/x
  3. Step 3: Cross multiply
    18,714.75x = 25,818.62 × 12,348.47
  4. Step 4: Simplify right side
    18,714.75x = 318,820,263.68
  5. Step 5: Solve for x
    x = 318,820,263.68/18,714.75
  6. Step 6: Final answer
    x = 17,035.77

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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.