Home / 13,002.98-17,939.25-8,529.21

Finding the Fourth Proportional to 13,002.98, 17,939.25 and 8,529.21

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Solution

The fourth proportional to 13,002.98, 17,939.25 and 8,529.21 is: 11,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.98 : 17,939.25 = 8,529.21 : x
  2. Step 2: Convert to fraction form
    13,002.98/17,939.25 = 8,529.21/x
  3. Step 3: Cross multiply
    13,002.98x = 17,939.25 × 8,529.21
  4. Step 4: Simplify right side
    13,002.98x = 153,007,630.49
  5. Step 5: Solve for x
    x = 153,007,630.49/13,002.98
  6. Step 6: Final answer
    x = 11,767.12

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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.