Home / 11,386.26-15,710.67-6,669.63

Finding the Fourth Proportional to 11,386.26, 15,710.67 and 6,669.63

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Solution

The fourth proportional to 11,386.26, 15,710.67 and 6,669.63 is: 9,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.26 : 15,710.67 = 6,669.63 : x
  2. Step 2: Convert to fraction form
    11,386.26/15,710.67 = 6,669.63/x
  3. Step 3: Cross multiply
    11,386.26x = 15,710.67 × 6,669.63
  4. Step 4: Simplify right side
    11,386.26x = 104,784,355.95
  5. Step 5: Solve for x
    x = 104,784,355.95/11,386.26
  6. Step 6: Final answer
    x = 9,202.70

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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.