Home / 13,582.44-18,748.35-8,555.07

Finding the Fourth Proportional to 13,582.44, 18,748.35 and 8,555.07

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Solution

The fourth proportional to 13,582.44, 18,748.35 and 8,555.07 is: 11,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.44 : 18,748.35 = 8,555.07 : x
  2. Step 2: Convert to fraction form
    13,582.44/18,748.35 = 8,555.07/x
  3. Step 3: Cross multiply
    13,582.44x = 18,748.35 × 8,555.07
  4. Step 4: Simplify right side
    13,582.44x = 160,393,446.63
  5. Step 5: Solve for x
    x = 160,393,446.63/13,582.44
  6. Step 6: Final answer
    x = 11,808.88

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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.