Home / 14,804.89-20,432.12-8,091.50

Finding the Fourth Proportional to 14,804.89, 20,432.12 and 8,091.50

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Solution

The fourth proportional to 14,804.89, 20,432.12 and 8,091.50 is: 11,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.89 : 20,432.12 = 8,091.50 : x
  2. Step 2: Convert to fraction form
    14,804.89/20,432.12 = 8,091.50/x
  3. Step 3: Cross multiply
    14,804.89x = 20,432.12 × 8,091.50
  4. Step 4: Simplify right side
    14,804.89x = 165,326,356.36
  5. Step 5: Solve for x
    x = 165,326,356.36/14,804.89
  6. Step 6: Final answer
    x = 11,167.01

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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.