Home / 13,001.85-17,937.72-8,528.09

Finding the Fourth Proportional to 13,001.85, 17,937.72 and 8,528.09

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Solution

The fourth proportional to 13,001.85, 17,937.72 and 8,528.09 is: 11,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.85 : 17,937.72 = 8,528.09 : x
  2. Step 2: Convert to fraction form
    13,001.85/17,937.72 = 8,528.09/x
  3. Step 3: Cross multiply
    13,001.85x = 17,937.72 × 8,528.09
  4. Step 4: Simplify right side
    13,001.85x = 152,974,400.87
  5. Step 5: Solve for x
    x = 152,974,400.87/13,001.85
  6. Step 6: Final answer
    x = 11,765.59

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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.