Home / 14,901.40-20,563.86-8,187.44

Finding the Fourth Proportional to 14,901.40, 20,563.86 and 8,187.44

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Solution

The fourth proportional to 14,901.40, 20,563.86 and 8,187.44 is: 11,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.40 : 20,563.86 = 8,187.44 : x
  2. Step 2: Convert to fraction form
    14,901.40/20,563.86 = 8,187.44/x
  3. Step 3: Cross multiply
    14,901.40x = 20,563.86 × 8,187.44
  4. Step 4: Simplify right side
    14,901.40x = 168,365,369.92
  5. Step 5: Solve for x
    x = 168,365,369.92/14,901.40
  6. Step 6: Final answer
    x = 11,298.63

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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.