Home / 13,444.04-18,554.50-8,138.94

Finding the Fourth Proportional to 13,444.04, 18,554.50 and 8,138.94

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Solution

The fourth proportional to 13,444.04, 18,554.50 and 8,138.94 is: 11,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.04 : 18,554.50 = 8,138.94 : x
  2. Step 2: Convert to fraction form
    13,444.04/18,554.50 = 8,138.94/x
  3. Step 3: Cross multiply
    13,444.04x = 18,554.50 × 8,138.94
  4. Step 4: Simplify right side
    13,444.04x = 151,013,962.23
  5. Step 5: Solve for x
    x = 151,013,962.23/13,444.04
  6. Step 6: Final answer
    x = 11,232.78

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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.