Home / 13,998.19-20,894.87-12,337.50

Finding the Fourth Proportional to 13,998.19, 20,894.87 and 12,337.50

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Solution

The fourth proportional to 13,998.19, 20,894.87 and 12,337.50 is: 18,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.19 : 20,894.87 = 12,337.50 : x
  2. Step 2: Convert to fraction form
    13,998.19/20,894.87 = 12,337.50/x
  3. Step 3: Cross multiply
    13,998.19x = 20,894.87 × 12,337.50
  4. Step 4: Simplify right side
    13,998.19x = 257,790,458.63
  5. Step 5: Solve for x
    x = 257,790,458.63/13,998.19
  6. Step 6: Final answer
    x = 18,415.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.