Home / 12,537.51-17,302.19-6,872.78

Finding the Fourth Proportional to 12,537.51, 17,302.19 and 6,872.78

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Solution

The fourth proportional to 12,537.51, 17,302.19 and 6,872.78 is: 9,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.51 : 17,302.19 = 6,872.78 : x
  2. Step 2: Convert to fraction form
    12,537.51/17,302.19 = 6,872.78/x
  3. Step 3: Cross multiply
    12,537.51x = 17,302.19 × 6,872.78
  4. Step 4: Simplify right side
    12,537.51x = 118,914,145.39
  5. Step 5: Solve for x
    x = 118,914,145.39/12,537.51
  6. Step 6: Final answer
    x = 9,484.67

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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.