Home / 11,506.71-15,889.67-7,265.28

Finding the Fourth Proportional to 11,506.71, 15,889.67 and 7,265.28

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Solution

The fourth proportional to 11,506.71, 15,889.67 and 7,265.28 is: 10,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.71 : 15,889.67 = 7,265.28 : x
  2. Step 2: Convert to fraction form
    11,506.71/15,889.67 = 7,265.28/x
  3. Step 3: Cross multiply
    11,506.71x = 15,889.67 × 7,265.28
  4. Step 4: Simplify right side
    11,506.71x = 115,442,901.66
  5. Step 5: Solve for x
    x = 115,442,901.66/11,506.71
  6. Step 6: Final answer
    x = 10,032.66

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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.