Home / 12,954.51-17,876.84-7,289.57

Finding the Fourth Proportional to 12,954.51, 17,876.84 and 7,289.57

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Solution

The fourth proportional to 12,954.51, 17,876.84 and 7,289.57 is: 10,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.51 : 17,876.84 = 7,289.57 : x
  2. Step 2: Convert to fraction form
    12,954.51/17,876.84 = 7,289.57/x
  3. Step 3: Cross multiply
    12,954.51x = 17,876.84 × 7,289.57
  4. Step 4: Simplify right side
    12,954.51x = 130,314,484.80
  5. Step 5: Solve for x
    x = 130,314,484.80/12,954.51
  6. Step 6: Final answer
    x = 10,059.39

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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.