Home / 12,741.19-17,582.94-7,439.54

Finding the Fourth Proportional to 12,741.19, 17,582.94 and 7,439.54

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Solution

The fourth proportional to 12,741.19, 17,582.94 and 7,439.54 is: 10,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.19 : 17,582.94 = 7,439.54 : x
  2. Step 2: Convert to fraction form
    12,741.19/17,582.94 = 7,439.54/x
  3. Step 3: Cross multiply
    12,741.19x = 17,582.94 × 7,439.54
  4. Step 4: Simplify right side
    12,741.19x = 130,808,897.53
  5. Step 5: Solve for x
    x = 130,808,897.53/12,741.19
  6. Step 6: Final answer
    x = 10,266.62

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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.