Home / 13,438.48-20,152.59-4,671.04

Finding the Fourth Proportional to 13,438.48, 20,152.59 and 4,671.04

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Solution

The fourth proportional to 13,438.48, 20,152.59 and 4,671.04 is: 7,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.48 : 20,152.59 = 4,671.04 : x
  2. Step 2: Convert to fraction form
    13,438.48/20,152.59 = 4,671.04/x
  3. Step 3: Cross multiply
    13,438.48x = 20,152.59 × 4,671.04
  4. Step 4: Simplify right side
    13,438.48x = 94,133,553.99
  5. Step 5: Solve for x
    x = 94,133,553.99/13,438.48
  6. Step 6: Final answer
    x = 7,004.78

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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.