Home / 11,490.63-15,863.37-6,954.15

Finding the Fourth Proportional to 11,490.63, 15,863.37 and 6,954.15

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Solution

The fourth proportional to 11,490.63, 15,863.37 and 6,954.15 is: 9,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.63 : 15,863.37 = 6,954.15 : x
  2. Step 2: Convert to fraction form
    11,490.63/15,863.37 = 6,954.15/x
  3. Step 3: Cross multiply
    11,490.63x = 15,863.37 × 6,954.15
  4. Step 4: Simplify right side
    11,490.63x = 110,316,254.49
  5. Step 5: Solve for x
    x = 110,316,254.49/11,490.63
  6. Step 6: Final answer
    x = 9,600.54

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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.