Home / 14,375.34-19,832.58-8,405.10

Finding the Fourth Proportional to 14,375.34, 19,832.58 and 8,405.10

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Solution

The fourth proportional to 14,375.34, 19,832.58 and 8,405.10 is: 11,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.34 : 19,832.58 = 8,405.10 : x
  2. Step 2: Convert to fraction form
    14,375.34/19,832.58 = 8,405.10/x
  3. Step 3: Cross multiply
    14,375.34x = 19,832.58 × 8,405.10
  4. Step 4: Simplify right side
    14,375.34x = 166,694,818.16
  5. Step 5: Solve for x
    x = 166,694,818.16/14,375.34
  6. Step 6: Final answer
    x = 11,595.89

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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.