Home / 13,619.83-20,394.10-8,925.07

Finding the Fourth Proportional to 13,619.83, 20,394.10 and 8,925.07

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Solution

The fourth proportional to 13,619.83, 20,394.10 and 8,925.07 is: 13,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.83 : 20,394.10 = 8,925.07 : x
  2. Step 2: Convert to fraction form
    13,619.83/20,394.10 = 8,925.07/x
  3. Step 3: Cross multiply
    13,619.83x = 20,394.10 × 8,925.07
  4. Step 4: Simplify right side
    13,619.83x = 182,018,770.09
  5. Step 5: Solve for x
    x = 182,018,770.09/13,619.83
  6. Step 6: Final answer
    x = 13,364.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.