Home / 13,269.42-19,904.18-12,604.28

Finding the Fourth Proportional to 13,269.42, 19,904.18 and 12,604.28

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Solution

The fourth proportional to 13,269.42, 19,904.18 and 12,604.28 is: 18,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.42 : 19,904.18 = 12,604.28 : x
  2. Step 2: Convert to fraction form
    13,269.42/19,904.18 = 12,604.28/x
  3. Step 3: Cross multiply
    13,269.42x = 19,904.18 × 12,604.28
  4. Step 4: Simplify right side
    13,269.42x = 250,877,695.35
  5. Step 5: Solve for x
    x = 250,877,695.35/13,269.42
  6. Step 6: Final answer
    x = 18,906.46

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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.