Home / 14,801.81-20,426.18-8,087.49

Finding the Fourth Proportional to 14,801.81, 20,426.18 and 8,087.49

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Solution

The fourth proportional to 14,801.81, 20,426.18 and 8,087.49 is: 11,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.81 : 20,426.18 = 8,087.49 : x
  2. Step 2: Convert to fraction form
    14,801.81/20,426.18 = 8,087.49/x
  3. Step 3: Cross multiply
    14,801.81x = 20,426.18 × 8,087.49
  4. Step 4: Simplify right side
    14,801.81x = 165,196,486.05
  5. Step 5: Solve for x
    x = 165,196,486.05/14,801.81
  6. Step 6: Final answer
    x = 11,160.56

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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.