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Finding the Fourth Proportional to 11,585.03, 15,972.71 and 9,458.37

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Solution

The fourth proportional to 11,585.03, 15,972.71 and 9,458.37 is: 13,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.03 : 15,972.71 = 9,458.37 : x
  2. Step 2: Convert to fraction form
    11,585.03/15,972.71 = 9,458.37/x
  3. Step 3: Cross multiply
    11,585.03x = 15,972.71 × 9,458.37
  4. Step 4: Simplify right side
    11,585.03x = 151,075,753.79
  5. Step 5: Solve for x
    x = 151,075,753.79/11,585.03
  6. Step 6: Final answer
    x = 13,040.61

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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.